45420756 has 24 divisors (see below), whose sum is σ = 108847200. Its totient is φ = 14730912.

The previous prime is 45420733. The next prime is 45420769. The reversal of 45420756 is 65702454.

It is a super-2 number, since 2×45420756² = 4126090151223072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50706 + ... + 51593.

It is an arithmetic number, because the mean of its divisors is an integer number (4535300).

Almost surely, 2^45420756 is an apocalyptic number.

It is an amenable number.

45420756 is an abundant number, since it is smaller than the sum of its proper divisors (63426444).

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

45420756 is a wasteful number, since it uses less digits than its factorization.

45420756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102343 (or 102341 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 45420756 is about 6739.4922657423. The cubic root of 45420756 is about 356.7944740476.

The spelling of 45420756 in words is "forty-five million, four hundred twenty thousand, seven hundred fifty-six".