45275985 has 12 divisors (see below), whose sum is σ = 78478452. Its totient is φ = 24147168.

The previous prime is 45275963. The next prime is 45275999. The reversal of 45275985 is 58957254.

45275985 is a `hidden beast` number, since 4 + 52 + 7 + 598 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20684304 + 24591681 = 4548^2 + 4959^2 .

It is not a de Polignac number, because 45275985 - 2⁵ = 45275953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1006133 = 45275985 / (4 + 5 + 2 + 7 + 5 + 9 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45275985.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503022 + ... + 503111.

It is an arithmetic number, because the mean of its divisors is an integer number (6539871).

Almost surely, 2^45275985 is an apocalyptic number.

45275985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45275985 is a deficient number, since it is larger than the sum of its proper divisors (33202467).

45275985 is a wasteful number, since it uses less digits than its factorization.

45275985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006144 (or 1006141 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 45275985 is about 6728.7431961697. The cubic root of 45275985 is about 356.4149965159.

The spelling of 45275985 in words is "forty-five million, two hundred seventy-five thousand, nine hundred eighty-five".