45308479 has 4 divisors (see below), whose sum is σ = 45356976. Its totient is φ = 45259984.

The previous prime is 45308467. The next prime is 45308489. The reversal of 45308479 is 97480354.

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 45308479 - 2⁹ = 45307967 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45308429) 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, 22819 + ... + 24724.

It is an arithmetic number, because the mean of its divisors is an integer number (11339244).

Almost surely, 2^45308479 is an apocalyptic number.

45308479 is a deficient number, since it is larger than the sum of its proper divisors (48497).

45308479 is an equidigital number, since it uses as much as digits as its factorization.

45308479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48496.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 45308479 is about 6731.1573299099. The cubic root of 45308479 is about 356.5002409665.

The spelling of 45308479 in words is "forty-five million, three hundred eight thousand, four hundred seventy-nine".