80470144 has 16 divisors (see below), whose sum is σ = 160311870. Its totient is φ = 40235008.

The previous prime is 80470087. The next prime is 80470147. The reversal of 80470144 is 44107408.

It can be written as a sum of positive squares in only one way, i.e., 65415744 + 15054400 = 8088^2 + 3880^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (80470147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314209 + ... + 314464.

Almost surely, 2^80470144 is an apocalyptic number.

It is an amenable number.

80470144 is a deficient number, since it is larger than the sum of its proper divisors (79841726).

80470144 is an equidigital number, since it uses as much as digits as its factorization.

80470144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628687 (or 628675 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 80470144 is about 8970.5152583338. The cubic root of 80470144 is about 431.7293686755.

The spelling of 80470144 in words is "eighty million, four hundred seventy thousand, one hundred forty-four".