45023479 has 4 divisors (see below), whose sum is σ = 45325800. Its totient is φ = 44721160.

The previous prime is 45023467. The next prime is 45023527. The reversal of 45023479 is 97432054.

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 45023479 - 2²⁵ = 11469047 is a prime.

It is a super-2 number, since 2×45023479² = 4054227322526882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45023449) 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, 150937 + ... + 151234.

It is an arithmetic number, because the mean of its divisors is an integer number (11331450).

Almost surely, 2^45023479 is an apocalyptic number.

45023479 is a deficient number, since it is larger than the sum of its proper divisors (302321).

45023479 is a wasteful number, since it uses less digits than its factorization.

45023479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302320.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 45023479 is about 6709.9537256229. The cubic root of 45023479 is about 355.7511806548.

The spelling of 45023479 in words is "forty-five million, twenty-three thousand, four hundred seventy-nine".