45880778 has 8 divisors (see below), whose sum is σ = 68857668. Its totient is φ = 22928224.

The previous prime is 45880771. The next prime is 45880781. The reversal of 45880778 is 87708854.

It is a happy number.

45880778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45657049 + 223729 = 6757^2 + 473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (45880771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251 + ... + 9582.

Almost surely, 2^45880778 is an apocalyptic number.

45880778 is a deficient number, since it is larger than the sum of its proper divisors (22976890).

45880778 is a wasteful number, since it uses less digits than its factorization.

45880778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168.

The product of its (nonzero) digits is 501760, while the sum is 47.

The square root of 45880778 is about 6773.5351183854. The cubic root of 45880778 is about 357.9949699157.

The spelling of 45880778 in words is "forty-five million, eight hundred eighty thousand, seven hundred seventy-eight".