45071928 has 48 divisors (see below), whose sum is σ = 133169400. Its totient is φ = 13657920.

The previous prime is 45071911. The next prime is 45071951. The reversal of 45071928 is 82917054.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45071892 and 45071901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27663 + ... + 29246.

Almost surely, 2^45071928 is an apocalyptic number.

It is an amenable number.

45071928 is an abundant number, since it is smaller than the sum of its proper divisors (88097472).

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

45071928 is a wasteful number, since it uses less digits than its factorization.

45071928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56932 (or 56925 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 45071928 is about 6713.5629884585. The cubic root of 45071928 is about 355.8787408422.

The spelling of 45071928 in words is "forty-five million, seventy-one thousand, nine hundred twenty-eight".