45721165822 has 8 divisors (see below), whose sum is σ = 69547689072. Its totient is φ = 22538602800.

The previous prime is 45721165817. The next prime is 45721165837. The reversal of 45721165822 is 22856112754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160989879 + ... + 160990162.

It is an arithmetic number, because the mean of its divisors is an integer number (8693461134).

Almost surely, 2^45721165822 is an apocalyptic number.

45721165822 is a deficient number, since it is larger than the sum of its proper divisors (23826523250).

45721165822 is a wasteful number, since it uses less digits than its factorization.

45721165822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321980114.

The product of its digits is 268800, while the sum is 43.

The spelling of 45721165822 in words is "forty-five billion, seven hundred twenty-one million, one hundred sixty-five thousand, eight hundred twenty-two".