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145057276 = 22713398509
BaseRepresentation
bin10001010010101…
…10010111111100
3101002221200011201
420221112113330
5244113313101
622221025244
73410652340
oct1051262774
9332850151
10145057276
1174976751
12406b5224
132408b210
141539d620
15cb04e01
hex8a565fc

145057276 has 24 divisors (see below), whose sum is σ = 312431840. Its totient is φ = 57385152.

The previous prime is 145057261. The next prime is 145057291. The reversal of 145057276 is 672750541.

It is an interprime number because it is at equal distance from previous prime (145057261) and next prime (145057291).

It is a super-2 number, since 2×1450572762 = 42083226641080352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198891 + ... + 199618.

Almost surely, 2145057276 is an apocalyptic number.

It is an amenable number.

145057276 is an abundant number, since it is smaller than the sum of its proper divisors (167374564).

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

145057276 is a wasteful number, since it uses less digits than its factorization.

145057276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398533 (or 398531 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 145057276 is about 12043.9726004338. The cubic root of 145057276 is about 525.4279515913.

The spelling of 145057276 in words is "one hundred forty-five million, fifty-seven thousand, two hundred seventy-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 398509 797018 1594036 2789563 5180617 5579126 10361234 11158252 20722468 36264319 72528638 145057276