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145355424553542 = 237191011803461929
BaseRepresentation
bin100001000011001100110010…
…011100100101101001000110
3201001122211202110100201220210
4201003030302130211221012
5123023000402141203132
61233051205445140250
742421403631641340
oct4103146234455106
9631584673321823
10145355424553542
1142350986830455
1214376a316ba686
136314c5b15c378
1427c7350b20290
1511c10650cbbcc
hex843332725a46

145355424553542 has 64 divisors (see below), whose sum is σ = 353189984371200. Its totient is φ = 38954777644800.

The previous prime is 145355424553529. The next prime is 145355424553553. The reversal of 145355424553542 is 245355424553541.

145355424553542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1453554245535422 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 901650367 + ... + 901811562.

It is an arithmetic number, because the mean of its divisors is an integer number (5518593505800).

Almost surely, 2145355424553542 is an apocalyptic number.

145355424553542 is an abundant number, since it is smaller than the sum of its proper divisors (207834559817658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145355424553542 is a wasteful number, since it uses less digits than its factorization.

145355424553542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803462061.

The product of its digits is 144000000, while the sum is 57.

Subtracting 145355424553542 from its reverse (245355424553541), we obtain a palindrome (99999999999999).

The spelling of 145355424553542 in words is "one hundred forty-five trillion, three hundred fifty-five billion, four hundred twenty-four million, five hundred fifty-three thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 101 114 133 202 266 303 399 606 707 798 1414 1919 2121 3838 4242 5757 11514 13433 26866 40299 80598 1803461929 3606923858 5410385787 10820771574 12624233503 25248467006 34265776651 37872700509 68531553302 75745401018 102797329953 182149654829 205594659906 239860436557 364299309658 479720873114 546448964487 719581309671 1092897928974 1275047583803 1439162619342 2550095167606 3460843441751 3825142751409 6921686883502 7650285502818 10382530325253 20765060650506 24225904092257 48451808184514 72677712276771 145355424553542