80155474 has 12 divisors (see below), whose sum is σ = 139863294. Its totient is φ = 34352304.

The previous prime is 80155469. The next prime is 80155477. The reversal of 80155474 is 47455108.

It can be written as a sum of positive squares in only one way, i.e., 79655625 + 499849 = 8925^2 + 707^2 .

It is not an unprimeable number, because it can be changed into a prime (80155477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 408859 + ... + 409054.

Almost surely, 2^80155474 is an apocalyptic number.

80155474 is a deficient number, since it is larger than the sum of its proper divisors (59707820).

80155474 is a wasteful number, since it uses less digits than its factorization.

80155474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817929 (or 817922 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 80155474 is about 8952.9589522124. The cubic root of 80155474 is about 431.1658895264.

The spelling of 80155474 in words is "eighty million, one hundred fifty-five thousand, four hundred seventy-four".