45274523 has 4 divisors (see below), whose sum is σ = 51742320. Its totient is φ = 38806728.

The previous prime is 45274483. The next prime is 45274531. The reversal of 45274523 is 32547254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45274523 - 2⁸ = 45274267 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 45274523.

It is not an unprimeable number, because it can be changed into a prime (45274573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3233888 + ... + 3233901.

It is an arithmetic number, because the mean of its divisors is an integer number (12935580).

Almost surely, 2^45274523 is an apocalyptic number.

45274523 is a deficient number, since it is larger than the sum of its proper divisors (6467797).

45274523 is an equidigital number, since it uses as much as digits as its factorization.

45274523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467796.

The product of its digits is 33600, while the sum is 32.

The square root of 45274523 is about 6728.6345568770. The cubic root of 45274523 is about 356.4111601603.

The spelling of 45274523 in words is "forty-five million, two hundred seventy-four thousand, five hundred twenty-three".