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145431445255024 = 2484187910796641
BaseRepresentation
bin100001000100010011100101…
…101000100011001101110000
3201001221002222110201111120011
4201010103211220203031300
5123030222044441130044
61233150141132424304
742430034534146465
oct4104234550431560
9631832873644504
10145431445255024
1142380147502675
1214389708918094
13631c184a40276
1427cacc31b366c
1511c3014064134
hex8444e5a23370

145431445255024 has 20 divisors (see below), whose sum is σ = 281773785975760. Its totient is φ = 72715629519360.

The previous prime is 145431445255007. The next prime is 145431445255037. The reversal of 145431445255024 is 420552544134541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8071744 + ... + 18868384.

It is an arithmetic number, because the mean of its divisors is an integer number (14088689298788).

Almost surely, 2145431445255024 is an apocalyptic number.

It is an amenable number.

145431445255024 is a deficient number, since it is larger than the sum of its proper divisors (136342340720736).

145431445255024 is a wasteful number, since it uses less digits than its factorization.

145431445255024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11638528 (or 11638522 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 49.

Adding to 145431445255024 its reverse (420552544134541), we get a palindrome (565983989389565).

The spelling of 145431445255024 in words is "one hundred forty-five trillion, four hundred thirty-one billion, four hundred forty-five million, two hundred fifty-five thousand, twenty-four".

Divisors: 1 2 4 8 16 841879 1683758 3367516 6735032 10796641 13470064 21593282 43186564 86373128 172746256 9089465328439 18178930656878 36357861313756 72715722627512 145431445255024