80356149 has 12 divisors (see below), whose sum is σ = 122179200. Its totient is φ = 50751144.

The previous prime is 80356139. The next prime is 80356153. The reversal of 80356149 is 94165308.

80356149 is a `hidden beast` number, since 8 + 0 + 35 + 614 + 9 = 666.

It is not a de Polignac number, because 80356149 - 2⁷ = 80356021 is a prime.

It is a super-2 number, since 2×80356149² = 12914221364220402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80356139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234789 + ... + 235130.

It is an arithmetic number, because the mean of its divisors is an integer number (10181600).

Almost surely, 2^80356149 is an apocalyptic number.

It is an amenable number.

80356149 is a deficient number, since it is larger than the sum of its proper divisors (41823051).

80356149 is a wasteful number, since it uses less digits than its factorization.

80356149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469944 (or 469941 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 80356149 is about 8964.1591351336. The cubic root of 80356149 is about 431.5254079485.

The spelling of 80356149 in words is "eighty million, three hundred fifty-six thousand, one hundred forty-nine".