45455420 has 12 divisors (see below), whose sum is σ = 95456424. Its totient is φ = 18182160.

The previous prime is 45455401. The next prime is 45455437. The reversal of 45455420 is 2455454.

45455420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136366 + ... + 1136405.

It is an arithmetic number, because the mean of its divisors is an integer number (7954702).

Almost surely, 2^45455420 is an apocalyptic number.

It is an amenable number.

45455420 is an abundant number, since it is smaller than the sum of its proper divisors (50001004).

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

45455420 is a wasteful number, since it uses less digits than its factorization.

45455420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272780 (or 2272778 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 45455420 is about 6742.0634823472. The cubic root of 45455420 is about 356.8852165463.

The spelling of 45455420 in words is "forty-five million, four hundred fifty-five thousand, four hundred twenty".