80485155 has 24 divisors (see below), whose sum is σ = 139737312. Its totient is φ = 42854784.

The previous prime is 80485151. The next prime is 80485177. The reversal of 80485155 is 55158408.

It is not a de Polignac number, because 80485155 - 2² = 80485151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80485151) 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, 37522 + ... + 39608.

It is an arithmetic number, because the mean of its divisors is an integer number (5822388).

Almost surely, 2^80485155 is an apocalyptic number.

80485155 is a deficient number, since it is larger than the sum of its proper divisors (59252157).

80485155 is a wasteful number, since it uses less digits than its factorization.

80485155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955 (or 2952 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 80485155 is about 8971.3519048135. The cubic root of 80485155 is about 431.7562121162.

It can be divided in two parts, 8048 and 5155, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 80485155 in words is "eighty million, four hundred eighty-five thousand, one hundred fifty-five".