80477145 has 40 divisors (see below), whose sum is σ = 164877504. Its totient is φ = 36788256.

The previous prime is 80477129. The next prime is 80477153. The reversal of 80477145 is 54177408.

It is not a de Polignac number, because 80477145 - 2⁴ = 80477129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11359 + ... + 17028.

Almost surely, 2^80477145 is an apocalyptic number.

It is an amenable number.

80477145 is an abundant number, since it is smaller than the sum of its proper divisors (84400359).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80477145 is a wasteful number, since it uses less digits than its factorization.

80477145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28411 (or 28402 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 80477145 is about 8970.9054726934. The cubic root of 80477145 is about 431.7418886384.

The spelling of 80477145 in words is "eighty million, four hundred seventy-seven thousand, one hundred forty-five".