45472028 has 24 divisors (see below), whose sum is σ = 91832832. Its totient is φ = 19297584.

The previous prime is 45472019. The next prime is 45472051. The reversal of 45472028 is 82027454.

It is a junction number, because it is equal to n+sod(n) for n = 45471985 and 45472003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (3826368).

Almost surely, 2^45472028 is an apocalyptic number.

It is an amenable number.

45472028 is an abundant number, since it is smaller than the sum of its proper divisors (46360804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45472028 is a wasteful number, since it uses less digits than its factorization.

45472028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15881 (or 15879 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 45472028 is about 6743.2950402604. The cubic root of 45472028 is about 356.9286761818.

The spelling of 45472028 in words is "forty-five million, four hundred seventy-two thousand, twenty-eight".