45945279 has 16 divisors (see below), whose sum is σ = 68569440. Its totient is φ = 30404160.

The previous prime is 45945253. The next prime is 45945293. The reversal of 45945279 is 97254954.

45945279 is a `hidden beast` number, since 4 + 594 + 52 + 7 + 9 = 666.

It is not a de Polignac number, because 45945279 - 2¹⁵ = 45912511 is a prime.

It is a super-2 number, since 2×45945279² = 4221937324775682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45945239) 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, 2512 + ... + 9909.

It is an arithmetic number, because the mean of its divisors is an integer number (4285590).

Almost surely, 2^45945279 is an apocalyptic number.

45945279 is a deficient number, since it is larger than the sum of its proper divisors (22624161).

45945279 is a wasteful number, since it uses less digits than its factorization.

45945279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12567 (or 12561 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 45945279 is about 6778.2946970459. The cubic root of 45945279 is about 358.1626524925.

The spelling of 45945279 in words is "forty-five million, nine hundred forty-five thousand, two hundred seventy-nine".