45390475 has 12 divisors (see below), whose sum is σ = 60614176. Its totient is φ = 33518880.

The previous prime is 45390473. The next prime is 45390491. The reversal of 45390475 is 57409354.

45390475 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 45390475 - 2¹ = 45390473 is a prime.

It is a super-3 number, since 3×45390475³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 69507 + ... + 70156.

Almost surely, 2^45390475 is an apocalyptic number.

45390475 is a deficient number, since it is larger than the sum of its proper divisors (15223701).

45390475 is a wasteful number, since it uses less digits than its factorization.

45390475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139686 (or 139681 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 45390475 is about 6737.2453569690. The cubic root of 45390475 is about 356.7151674613.

The spelling of 45390475 in words is "forty-five million, three hundred ninety thousand, four hundred seventy-five".