45815678223479 has 4 divisors (see below), whose sum is σ = 45845760745176. Its totient is φ = 45785595701784.

The previous prime is 45815678223457. The next prime is 45815678223487. The reversal of 45815678223479 is 97432287651854.

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 45815678223479 - 2³⁶ = 45746958746743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45815678223499) 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, 15041258564 + ... + 15041261609.

It is an arithmetic number, because the mean of its divisors is an integer number (11461440186294).

Almost surely, 2^{45815678223479} is an apocalyptic number.

45815678223479 is a deficient number, since it is larger than the sum of its proper divisors (30082521697).

45815678223479 is a wasteful number, since it uses less digits than its factorization.

45815678223479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30082521696.

The product of its digits is 812851200, while the sum is 71.

The spelling of 45815678223479 in words is "forty-five trillion, eight hundred fifteen billion, six hundred seventy-eight million, two hundred twenty-three thousand, four hundred seventy-nine".