45475985 has 8 divisors (see below), whose sum is σ = 54663336. Its totient is φ = 36319360.

The previous prime is 45475979. The next prime is 45476009. The reversal of 45475985 is 58957454.

It is a happy number.

45475985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4631104 + 40844881 = 2152^2 + 6391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-45475985 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 4286 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (6832917).

Almost surely, 2^45475985 is an apocalyptic number.

It is an amenable number.

45475985 is a deficient number, since it is larger than the sum of its proper divisors (9187351).

45475985 is a wasteful number, since it uses less digits than its factorization.

45475985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15363.

The product of its digits is 1008000, while the sum is 47.

The square root of 45475985 is about 6743.5884364335. The cubic root of 45475985 is about 356.9390292558.

The spelling of 45475985 in words is "forty-five million, four hundred seventy-five thousand, nine hundred eighty-five".