45408928 has 12 divisors (see below), whose sum is σ = 89398890. Its totient is φ = 22704448.

The previous prime is 45408919. The next prime is 45408929. The reversal of 45408928 is 82980454.

It can be written as a sum of positive squares in only one way, i.e., 36336784 + 9072144 = 6028^2 + 3012^2 .

It is not an unprimeable number, because it can be changed into a prime (45408929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709483 + ... + 709546.

Almost surely, 2^45408928 is an apocalyptic number.

It is an amenable number.

45408928 is a deficient number, since it is larger than the sum of its proper divisors (43989962).

45408928 is a wasteful number, since it uses less digits than its factorization.

45408928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419039 (or 1419031 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 45408928 is about 6738.6146944309. The cubic root of 45408928 is about 356.7635004591.

The spelling of 45408928 in words is "forty-five million, four hundred eight thousand, nine hundred twenty-eight".