80158042 has 4 divisors (see below), whose sum is σ = 120237066. Its totient is φ = 40079020.

The previous prime is 80158037. The next prime is 80158051. The reversal of 80158042 is 24085108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80084601 + 73441 = 8949^2 + 271^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80158042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20039509 + ... + 20039512.

Almost surely, 2^80158042 is an apocalyptic number.

80158042 is a deficient number, since it is larger than the sum of its proper divisors (40079024).

80158042 is a wasteful number, since it uses less digits than its factorization.

80158042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40079023.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 80158042 is about 8953.1023673361. The cubic root of 80158042 is about 431.1704940037.

The spelling of 80158042 in words is "eighty million, one hundred fifty-eight thousand, forty-two".