80007146 has 4 divisors (see below), whose sum is σ = 120010722. Its totient is φ = 40003572.

The previous prime is 80007139. The next prime is 80007223. The reversal of 80007146 is 64170008.

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., 46771921 + 33235225 = 6839^2 + 5765^2 .

It is a super-2 number, since 2×80007146² = 12802286822130632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001785 + ... + 20001788.

Almost surely, 2^80007146 is an apocalyptic number.

80007146 is a deficient number, since it is larger than the sum of its proper divisors (40003576).

80007146 is a wasteful number, since it uses less digits than its factorization.

80007146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40003575.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 80007146 is about 8944.6713746230. The cubic root of 80007146 is about 430.8997672830.

The spelling of 80007146 in words is "eighty million, seven thousand, one hundred forty-six".