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145184022 = 23317315541
BaseRepresentation
bin10001010011101…
…01010100010110
3101010012010001000
420221311110112
5244131342042
622223444130
73412021014
oct1051652426
9333163030
10145184022
1174a529a5
1240756646
1324103b09
14153d38b4
15cb2c74c
hex8a75516

145184022 has 32 divisors (see below), whose sum is σ = 324516960. Its totient is φ = 48111840.

The previous prime is 145184003. The next prime is 145184033. The reversal of 145184022 is 220481541.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572 + ... + 17112.

It is an arithmetic number, because the mean of its divisors is an integer number (10141155).

Almost surely, 2145184022 is an apocalyptic number.

145184022 is an abundant number, since it is smaller than the sum of its proper divisors (179332938).

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

145184022 is a wasteful number, since it uses less digits than its factorization.

145184022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15725 (or 15719 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 145184022 is about 12049.2332536141. The cubic root of 145184022 is about 525.5809405945.

The spelling of 145184022 in words is "one hundred forty-five million, one hundred eighty-four thousand, twenty-two".

Divisors: 1 2 3 6 9 18 27 54 173 346 519 1038 1557 3114 4671 9342 15541 31082 46623 93246 139869 279738 419607 839214 2688593 5377186 8065779 16131558 24197337 48394674 72592011 145184022