45479023 has 4 divisors (see below), whose sum is σ = 45648360. Its totient is φ = 45309688.

The previous prime is 45479017. The next prime is 45479053. The reversal of 45479023 is 32097454.

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-45479023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45479023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45479003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84265 + ... + 84802.

It is an arithmetic number, because the mean of its divisors is an integer number (11412090).

Almost surely, 2^45479023 is an apocalyptic number.

45479023 is a deficient number, since it is larger than the sum of its proper divisors (169337).

45479023 is a wasteful number, since it uses less digits than its factorization.

45479023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169336.

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

The square root of 45479023 is about 6743.8136836659. The cubic root of 45479023 is about 356.9469774554.

The spelling of 45479023 in words is "forty-five million, four hundred seventy-nine thousand, twenty-three".