80262142 has 4 divisors (see below), whose sum is σ = 120393216. Its totient is φ = 40131070.

The previous prime is 80262109. The next prime is 80262167. The reversal of 80262142 is 24126208.

It is a happy number.

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

It is a super-2 number, since 2×80262142² = 12884022876856328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065534 + ... + 20065537.

It is an arithmetic number, because the mean of its divisors is an integer number (30098304).

Almost surely, 2^80262142 is an apocalyptic number.

80262142 is a deficient number, since it is larger than the sum of its proper divisors (40131074).

80262142 is a wasteful number, since it uses less digits than its factorization.

80262142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40131073.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 80262142 is about 8958.9141083058. The cubic root of 80262142 is about 431.3570647286.

The spelling of 80262142 in words is "eighty million, two hundred sixty-two thousand, one hundred forty-two".