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145492268 = 22131277657
BaseRepresentation
bin10001010110000…
…00100100101100
3101010202202212112
420223000210230
5244221223033
622234223152
73414443465
oct1053004454
9333682775
10145492268
1175143549
1240884ab8
13241b11cc
1415473d6c
15cb8dc48
hex8ac092c

145492268 has 12 divisors (see below), whose sum is σ = 256555992. Its totient is φ = 72190560.

The previous prime is 145492267. The next prime is 145492271. The reversal of 145492268 is 862294541.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (145492267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138305 + ... + 139352.

It is an arithmetic number, because the mean of its divisors is an integer number (21379666).

Almost surely, 2145492268 is an apocalyptic number.

It is an amenable number.

145492268 is a deficient number, since it is larger than the sum of its proper divisors (111063724).

145492268 is a wasteful number, since it uses less digits than its factorization.

145492268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277792 (or 277790 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 145492268 is about 12062.0175758453. The cubic root of 145492268 is about 525.9526382971.

The spelling of 145492268 in words is "one hundred forty-five million, four hundred ninety-two thousand, two hundred sixty-eight".

Divisors: 1 2 4 131 262 524 277657 555314 1110628 36373067 72746134 145492268