45147878 has 8 divisors (see below), whose sum is σ = 67752480. Its totient is φ = 22563720.

The previous prime is 45147859. The next prime is 45147889. The reversal of 45147878 is 87874154.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2963 + ... + 9953.

It is an arithmetic number, because the mean of its divisors is an integer number (8469060).

Almost surely, 2^45147878 is an apocalyptic number.

45147878 is a deficient number, since it is larger than the sum of its proper divisors (22604602).

45147878 is a wasteful number, since it uses less digits than its factorization.

45147878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222.

The product of its digits is 250880, while the sum is 44.

The square root of 45147878 is about 6719.2170674864. The cubic root of 45147878 is about 356.0785238980.

The spelling of 45147878 in words is "forty-five million, one hundred forty-seven thousand, eight hundred seventy-eight".