45628456 has 8 divisors (see below), whose sum is σ = 85553370. Its totient is φ = 22814224.

The previous prime is 45628447. The next prime is 45628463. The reversal of 45628456 is 65482654.

It can be written as a sum of positive squares in only one way, i.e., 44756100 + 872356 = 6690^2 + 934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2851771 + ... + 2851786.

Almost surely, 2^45628456 is an apocalyptic number.

It is an amenable number.

45628456 is a deficient number, since it is larger than the sum of its proper divisors (39924914).

45628456 is a wasteful number, since it uses less digits than its factorization.

45628456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703563 (or 5703559 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 45628456 is about 6754.8838628062. The cubic root of 45628456 is about 357.3374970122.

The spelling of 45628456 in words is "forty-five million, six hundred twenty-eight thousand, four hundred fifty-six".