45401028 has 12 divisors (see below), whose sum is σ = 105935760. Its totient is φ = 15133672.

The previous prime is 45400973. The next prime is 45401039. The reversal of 45401028 is 82010454.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×45401028² = 4122506686913568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45400989 and 45401007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891698 + ... + 1891721.

It is an arithmetic number, because the mean of its divisors is an integer number (8827980).

Almost surely, 2^45401028 is an apocalyptic number.

It is an amenable number.

45401028 is an abundant number, since it is smaller than the sum of its proper divisors (60534732).

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

45401028 is a wasteful number, since it uses less digits than its factorization.

45401028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783426 (or 3783424 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 45401028 is about 6738.0284950422. The cubic root of 45401028 is about 356.7428099969.

The spelling of 45401028 in words is "forty-five million, four hundred one thousand, twenty-eight".