45138965 has 8 divisors (see below), whose sum is σ = 57017760. Its totient is φ = 34210512.

The previous prime is 45138959. The next prime is 45138979. The reversal of 45138965 is 56983154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45138965 - 2⁶ = 45138901 is a prime.

It is a super-2 number, since 2×45138965² = 4075052322542450, 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, 237479 + ... + 237668.

It is an arithmetic number, because the mean of its divisors is an integer number (7127220).

Almost surely, 2^45138965 is an apocalyptic number.

It is an amenable number.

45138965 is a deficient number, since it is larger than the sum of its proper divisors (11878795).

45138965 is a wasteful number, since it uses less digits than its factorization.

45138965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475171.

The product of its digits is 129600, while the sum is 41.

The square root of 45138965 is about 6718.5537878326. The cubic root of 45138965 is about 356.0550902625.

The spelling of 45138965 in words is "forty-five million, one hundred thirty-eight thousand, nine hundred sixty-five".