45249292 has 12 divisors (see below), whose sum is σ = 86385096. Its totient is φ = 20567840.

The previous prime is 45249271. The next prime is 45249293. The reversal of 45249292 is 29294254.

It is not an unprimeable number, because it can be changed into a prime (45249293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514153 + ... + 514240.

It is an arithmetic number, because the mean of its divisors is an integer number (7198758).

Almost surely, 2^45249292 is an apocalyptic number.

It is an amenable number.

45249292 is a deficient number, since it is larger than the sum of its proper divisors (41135804).

45249292 is a wasteful number, since it uses less digits than its factorization.

45249292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028408 (or 1028406 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 45249292 is about 6726.7593981055. The cubic root of 45249292 is about 356.3449398345.

The spelling of 45249292 in words is "forty-five million, two hundred forty-nine thousand, two hundred ninety-two".