45912279 has 32 divisors (see below), whose sum is σ = 72124416. Its totient is φ = 25436160.

The previous prime is 45912259. The next prime is 45912281. The reversal of 45912279 is 97221954.

It is a de Polignac number, because none of the positive numbers 2^k-45912279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45912259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178519 + ... + 178775.

It is an arithmetic number, because the mean of its divisors is an integer number (2253888).

Almost surely, 2^45912279 is an apocalyptic number.

45912279 is a deficient number, since it is larger than the sum of its proper divisors (26212137).

45912279 is a wasteful number, since it uses less digits than its factorization.

45912279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495.

The product of its digits is 45360, while the sum is 39.

The square root of 45912279 is about 6775.8600192153. The cubic root of 45912279 is about 358.0768823571.

The spelling of 45912279 in words is "forty-five million, nine hundred twelve thousand, two hundred seventy-nine".