45965491 has 16 divisors (see below), whose sum is σ = 54448128. Its totient is φ = 38253600.

The previous prime is 45965453. The next prime is 45965497. The reversal of 45965491 is 19456954.

45965491 = 89² + 90² + ... + 517².

It is not a de Polignac number, because 45965491 - 2¹⁷ = 45834419 is a prime.

It is a super-2 number, since 2×45965491² = 4225652725742162, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (45965497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16896 + ... + 19426.

It is an arithmetic number, because the mean of its divisors is an integer number (3403008).

Almost surely, 2^45965491 is an apocalyptic number.

45965491 is a deficient number, since it is larger than the sum of its proper divisors (8482637).

45965491 is a wasteful number, since it uses less digits than its factorization.

45965491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682.

The product of its digits is 194400, while the sum is 43.

The square root of 45965491 is about 6779.7854685823. The cubic root of 45965491 is about 358.2151651220.

The spelling of 45965491 in words is "forty-five million, nine hundred sixty-five thousand, four hundred ninety-one".