45955251 has 6 divisors (see below), whose sum is σ = 66379820. Its totient is φ = 30636828.

The previous prime is 45955229. The next prime is 45955271. The reversal of 45955251 is 15255954.

45955251 is a `hidden beast` number, since 4 + 59 + 552 + 51 = 666.

It is not a de Polignac number, because 45955251 - 2²² = 41760947 is a prime.

It is a super-2 number, since 2×45955251² = 4223770188946002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45955271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2553061 + ... + 2553078.

Almost surely, 2^45955251 is an apocalyptic number.

45955251 is a deficient number, since it is larger than the sum of its proper divisors (20424569).

45955251 is a wasteful number, since it uses less digits than its factorization.

45955251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106145 (or 5106142 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 45955251 is about 6779.0302403810. The cubic root of 45955251 is about 358.1885625873.

The spelling of 45955251 in words is "forty-five million, nine hundred fifty-five thousand, two hundred fifty-one".