45401928 has 64 divisors (see below), whose sum is σ = 133358400. Its totient is φ = 12698880.

The previous prime is 45401927. The next prime is 45401929. The reversal of 45401928 is 82910454.

It is an interprime number because it is at equal distance from previous prime (45401927) and next prime (45401929).

It is a super-2 number, since 2×45401928² = 4122670132234368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (45401921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3183 + ... + 10046.

It is an arithmetic number, because the mean of its divisors is an integer number (2083725).

Almost surely, 2^45401928 is an apocalyptic number.

It is an amenable number.

45401928 is an abundant number, since it is smaller than the sum of its proper divisors (87956472).

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

45401928 is a wasteful number, since it uses less digits than its factorization.

45401928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13262 (or 13258 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 45401928 is about 6738.0952798250. The cubic root of 45401928 is about 356.7451672593.

The spelling of 45401928 in words is "forty-five million, four hundred one thousand, nine hundred twenty-eight".