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145760872 = 2318220109
BaseRepresentation
bin10001011000000…
…10001001101000
3101011021102022211
420230002021220
5244303321442
622244054504
73416642545
oct1054021150
9334242284
10145760872
1175307334
1240994434
132427654a
1415503bcc
15cbe3617
hex8b02268

145760872 has 8 divisors (see below), whose sum is σ = 273301650. Its totient is φ = 72880432.

The previous prime is 145760869. The next prime is 145760893. The reversal of 145760872 is 278067541.

It can be written as a sum of positive squares in only one way, i.e., 86378436 + 59382436 = 9294^2 + 7706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9110047 + ... + 9110062.

Almost surely, 2145760872 is an apocalyptic number.

It is an amenable number.

145760872 is a deficient number, since it is larger than the sum of its proper divisors (127540778).

145760872 is a wasteful number, since it uses less digits than its factorization.

145760872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18220115 (or 18220111 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 145760872 is about 12073.1467314864. The cubic root of 145760872 is about 526.2761059638.

The spelling of 145760872 in words is "one hundred forty-five million, seven hundred sixty thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 18220109 36440218 72880436 145760872