45080178 has 32 divisors (see below), whose sum is σ = 105924672. Its totient is φ = 12609600.

The previous prime is 45080177. The next prime is 45080219. The reversal of 45080178 is 87108054.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (45080173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25413 + ... + 27128.

It is an arithmetic number, because the mean of its divisors is an integer number (3310146).

Almost surely, 2^45080178 is an apocalyptic number.

45080178 is an abundant number, since it is smaller than the sum of its proper divisors (60844494).

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

45080178 is a wasteful number, since it uses less digits than its factorization.

45080178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52570.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 45080178 is about 6714.1773881839. The cubic root of 45080178 is about 355.9004529561.

The spelling of 45080178 in words is "forty-five million, eighty thousand, one hundred seventy-eight".