45390477 has 32 divisors (see below), whose sum is σ = 69857280. Its totient is φ = 25945920.

The previous prime is 45390473. The next prime is 45390491. The reversal of 45390477 is 77409354.

45390477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45390477 - 2² = 45390473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45390473) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 59583 + ... + 60339.

It is an arithmetic number, because the mean of its divisors is an integer number (2183040).

Almost surely, 2^45390477 is an apocalyptic number.

It is an amenable number.

45390477 is a deficient number, since it is larger than the sum of its proper divisors (24466803).

45390477 is a wasteful number, since it uses less digits than its factorization.

45390477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 45390477 is about 6737.2455053976. The cubic root of 45390477 is about 356.7151727005.

The spelling of 45390477 in words is "forty-five million, three hundred ninety thousand, four hundred seventy-seven".