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145718964 = 223228314303
BaseRepresentation
bin10001010111101…
…11111010110100
3101011012021211200
420223313322310
5244301001324
622243132500
73416406426
oct1053677264
9334167750
10145718964
11752888a6
1240974130
1324260451
14154d2816
15cbd5ec9
hex8af7eb4

145718964 has 36 divisors (see below), whose sum is σ = 369672576. Its totient is φ = 48397968.

The previous prime is 145718957. The next prime is 145718971. The reversal of 145718964 is 469817541.

145718964 is a `hidden beast` number, since 14 + 571 + 8 + 9 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (145718957) and next prime (145718971).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3037 + ... + 17339.

Almost surely, 2145718964 is an apocalyptic number.

It is an amenable number.

145718964 is an abundant number, since it is smaller than the sum of its proper divisors (223953612).

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

145718964 is a wasteful number, since it uses less digits than its factorization.

145718964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14596 (or 14591 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 145718964 is about 12071.4110194293. The cubic root of 145718964 is about 526.2256642305.

The spelling of 145718964 in words is "one hundred forty-five million, seven hundred eighteen thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 283 566 849 1132 1698 2547 3396 5094 10188 14303 28606 42909 57212 85818 128727 171636 257454 514908 4047749 8095498 12143247 16190996 24286494 36429741 48572988 72859482 145718964