45990428 has 12 divisors (see below), whose sum is σ = 87799992. Its totient is φ = 20904720.

The previous prime is 45990421. The next prime is 45990437. The reversal of 45990428 is 82409954.

45990428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45990421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522575 + ... + 522662.

It is an arithmetic number, because the mean of its divisors is an integer number (7316666).

Almost surely, 2^45990428 is an apocalyptic number.

It is an amenable number.

45990428 is a deficient number, since it is larger than the sum of its proper divisors (41809564).

45990428 is a wasteful number, since it uses less digits than its factorization.

45990428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045252 (or 1045250 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 45990428 is about 6781.6242892098. The cubic root of 45990428 is about 358.2799325267.

The spelling of 45990428 in words is "forty-five million, nine hundred ninety thousand, four hundred twenty-eight".