45129844 has 6 divisors (see below), whose sum is σ = 78977234. Its totient is φ = 22564920.

The previous prime is 45129809. The next prime is 45129859. The reversal of 45129844 is 44892154.

It can be written as a sum of positive squares in only one way, i.e., 38688400 + 6441444 = 6220^2 + 2538^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5641227 + ... + 5641234.

Almost surely, 2^45129844 is an apocalyptic number.

It is an amenable number.

45129844 is a deficient number, since it is larger than the sum of its proper divisors (33847390).

45129844 is a wasteful number, since it uses less digits than its factorization.

45129844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11282465 (or 11282463 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 45129844 is about 6717.8749616229. The cubic root of 45129844 is about 356.0311065694.

The spelling of 45129844 in words is "forty-five million, one hundred twenty-nine thousand, eight hundred forty-four".