45023827 has 4 divisors (see below), whose sum is σ = 45166176. Its totient is φ = 44881480.

The previous prime is 45023809. The next prime is 45023831. The reversal of 45023827 is 72832054.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45023827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45023527) 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, 70699 + ... + 71332.

It is an arithmetic number, because the mean of its divisors is an integer number (11291544).

Almost surely, 2^45023827 is an apocalyptic number.

45023827 is a deficient number, since it is larger than the sum of its proper divisors (142349).

45023827 is a wasteful number, since it uses less digits than its factorization.

45023827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142348.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 45023827 is about 6709.9796571972. The cubic root of 45023827 is about 355.7520972217.

The spelling of 45023827 in words is "forty-five million, twenty-three thousand, eight hundred twenty-seven".