80142994 has 16 divisors (see below), whose sum is σ = 125634240. Its totient is φ = 38270320.

The previous prime is 80142991. The next prime is 80143001. The reversal of 80142994 is 49924108.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80142991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50229 + ... + 51799.

It is an arithmetic number, because the mean of its divisors is an integer number (7852140).

Almost surely, 2^80142994 is an apocalyptic number.

80142994 is a deficient number, since it is larger than the sum of its proper divisors (45491246).

80142994 is a wasteful number, since it uses less digits than its factorization.

80142994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 80142994 is about 8952.2619488038. The cubic root of 80142994 is about 431.1435112270.

The spelling of 80142994 in words is "eighty million, one hundred forty-two thousand, nine hundred ninety-four".