80076145 has 4 divisors (see below), whose sum is σ = 96091380. Its totient is φ = 64060912.

The previous prime is 80076121. The next prime is 80076151. The reversal of 80076145 is 54167008.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19501056 + 60575089 = 4416^2 + 7783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80076145 is a prime.

It is a super-2 number, since 2×80076145² = 12824377996122050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8007610 + ... + 8007619.

It is an arithmetic number, because the mean of its divisors is an integer number (24022845).

Almost surely, 2^80076145 is an apocalyptic number.

It is an amenable number.

80076145 is a deficient number, since it is larger than the sum of its proper divisors (16015235).

80076145 is a wasteful number, since it uses less digits than its factorization.

80076145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16015234.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 80076145 is about 8948.5275325050. The cubic root of 80076145 is about 431.0236025138.

The spelling of 80076145 in words is "eighty million, seventy-six thousand, one hundred forty-five".