80045901 has 24 divisors (see below), whose sum is σ = 129132640. Its totient is φ = 49257072.

The previous prime is 80045869. The next prime is 80045909. The reversal of 80045901 is 10954008.

It is not a de Polignac number, because 80045901 - 2⁵ = 80045869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80045909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9511 + ... + 15828.

Almost surely, 2^80045901 is an apocalyptic number.

80045901 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

80045901 is a deficient number, since it is larger than the sum of its proper divisors (49086739).

80045901 is a wasteful number, since it uses less digits than its factorization.

80045901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25367 (or 25355 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 80045901 is about 8946.8374859500. The cubic root of 80045901 is about 430.9693311726.

Adding to 80045901 its reverse (10954008), we get a palindrome (90999909).

The spelling of 80045901 in words is "eighty million, forty-five thousand, nine hundred one".