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145554965 = 51031372063
BaseRepresentation
bin10001010110011…
…11111000010101
3101010212221212122
420223033320111
5244230224330
622235425325
73415124333
oct1053177025
9333787778
10145554965
1175186666
12408b5245
13242038ca
141548cb53
15cba25e5
hex8acfe15

145554965 has 16 divisors (see below), whose sum is σ = 177735168. Its totient is φ = 114416256.

The previous prime is 145554949. The next prime is 145555001. The reversal of 145554965 is 569455541.

It is a cyclic number.

It is not a de Polignac number, because 145554965 - 24 = 145554949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69524 + ... + 71586.

It is an arithmetic number, because the mean of its divisors is an integer number (11108448).

Almost surely, 2145554965 is an apocalyptic number.

It is an amenable number.

145554965 is a deficient number, since it is larger than the sum of its proper divisors (32180203).

145554965 is a wasteful number, since it uses less digits than its factorization.

145554965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308.

The product of its digits is 540000, while the sum is 44.

The square root of 145554965 is about 12064.6162392345. The cubic root of 145554965 is about 526.0281770580.

The spelling of 145554965 in words is "one hundred forty-five million, five hundred fifty-four thousand, nine hundred sixty-five".

Divisors: 1 5 103 137 515 685 2063 10315 14111 70555 212489 282631 1062445 1413155 29110993 145554965