45285291 has 16 divisors (see below), whose sum is σ = 68037120. Its totient is φ = 29763720.

The previous prime is 45285283. The next prime is 45285293. The reversal of 45285291 is 19258254.

It is not a de Polignac number, because 45285291 - 2³ = 45285283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45285293) 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, 9895 + ... + 13728.

It is an arithmetic number, because the mean of its divisors is an integer number (4252320).

Almost surely, 2^45285291 is an apocalyptic number.

45285291 is a deficient number, since it is larger than the sum of its proper divisors (22751829).

45285291 is a wasteful number, since it uses less digits than its factorization.

45285291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23703 (or 23697 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 45285291 is about 6729.4346716496. The cubic root of 45285291 is about 356.4394139544.

The spelling of 45285291 in words is "forty-five million, two hundred eighty-five thousand, two hundred ninety-one".