80164045 has 16 divisors (see below), whose sum is σ = 103783680. Its totient is φ = 59091264.

The previous prime is 80164031. The next prime is 80164069. The reversal of 80164045 is 54046108.

It is a cyclic number.

It is not a de Polignac number, because 80164045 - 2⁵ = 80164013 is a prime.

It is a super-2 number, since 2×80164045² = 12852548221524050, 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 in 15 ways as a sum of consecutive naturals, for example, 66942 + ... + 68128.

It is an arithmetic number, because the mean of its divisors is an integer number (6486480).

Almost surely, 2^80164045 is an apocalyptic number.

It is an amenable number.

80164045 is a deficient number, since it is larger than the sum of its proper divisors (23619635).

80164045 is a wasteful number, since it uses less digits than its factorization.

80164045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 80164045 is about 8953.4376079805. The cubic root of 80164045 is about 431.1812571236.

It can be divided in two parts, 801 and 64045, that added together give a palindrome (64846).

The spelling of 80164045 in words is "eighty million, one hundred sixty-four thousand, forty-five".