80144815 has 8 divisors (see below), whose sum is σ = 97108128. Its totient is φ = 63492960.

The previous prime is 80144807. The next prime is 80144821. The reversal of 80144815 is 51844108.

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

It is not a de Polignac number, because 80144815 - 2³ = 80144807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77296 + ... + 78325.

It is an arithmetic number, because the mean of its divisors is an integer number (12138516).

Almost surely, 2^80144815 is an apocalyptic number.

80144815 is a deficient number, since it is larger than the sum of its proper divisors (16963313).

80144815 is a wasteful number, since it uses less digits than its factorization.

80144815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155729.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 80144815 is about 8952.3636543653. The cubic root of 80144815 is about 431.1467766669.

The spelling of 80144815 in words is "eighty million, one hundred forty-four thousand, eight hundred fifteen".