45451275 has 12 divisors (see below), whose sum is σ = 75146232. Its totient is φ = 24240640.

The previous prime is 45451261. The next prime is 45451277. The reversal of 45451275 is 57215454.

It is not a de Polignac number, because 45451275 - 2⁸ = 45451019 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45451277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302934 + ... + 303083.

It is an arithmetic number, because the mean of its divisors is an integer number (6262186).

Almost surely, 2^45451275 is an apocalyptic number.

45451275 is a deficient number, since it is larger than the sum of its proper divisors (29694957).

45451275 is a wasteful number, since it uses less digits than its factorization.

45451275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606030 (or 606025 counting only the distinct ones).

The product of its digits is 28000, while the sum is 33.

The square root of 45451275 is about 6741.7560768690. The cubic root of 45451275 is about 356.8743683043.

The spelling of 45451275 in words is "forty-five million, four hundred fifty-one thousand, two hundred seventy-five".