45408157679 has 4 divisors (see below), whose sum is σ = 45408966240. Its totient is φ = 45407349120.

The previous prime is 45408157657. The next prime is 45408157687. The reversal of 45408157679 is 97675180454.

It is a happy number.

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 45408157679 - 2²⁸ = 45139722223 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 (45408157609) 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, 313202 + ... + 434639.

It is an arithmetic number, because the mean of its divisors is an integer number (11352241560).

Almost surely, 2^45408157679 is an apocalyptic number.

45408157679 is a deficient number, since it is larger than the sum of its proper divisors (808561).

45408157679 is an equidigital number, since it uses as much as digits as its factorization.

45408157679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808560.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 45408157679 in words is "forty-five billion, four hundred eight million, one hundred fifty-seven thousand, six hundred seventy-nine".