45212775 has 24 divisors (see below), whose sum is σ = 79151184. Its totient is φ = 22694400.

The previous prime is 45212747. The next prime is 45212789. The reversal of 45212775 is 57721254.

It is not a de Polignac number, because 45212775 - 2⁹ = 45212263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16456 + ... + 19005.

It is an arithmetic number, because the mean of its divisors is an integer number (3297966).

Almost surely, 2^45212775 is an apocalyptic number.

45212775 is a deficient number, since it is larger than the sum of its proper divisors (33938409).

45212775 is a wasteful number, since it uses less digits than its factorization.

45212775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35491 (or 35486 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 45212775 is about 6724.0445417918. The cubic root of 45212775 is about 356.2490550914.

The spelling of 45212775 in words is "forty-five million, two hundred twelve thousand, seven hundred seventy-five".