45317478 has 16 divisors (see below), whose sum is σ = 95966640. Its totient is φ = 14217216.

The previous prime is 45317471. The next prime is 45317479. The reversal of 45317478 is 87471354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45317471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222043 + ... + 222246.

It is an arithmetic number, because the mean of its divisors is an integer number (5997915).

Almost surely, 2^45317478 is an apocalyptic number.

45317478 is an abundant number, since it is smaller than the sum of its proper divisors (50649162).

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

45317478 is a wasteful number, since it uses less digits than its factorization.

45317478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444311.

The product of its digits is 94080, while the sum is 39.

The square root of 45317478 is about 6731.8257553208. The cubic root of 45317478 is about 356.5238416506.

The spelling of 45317478 in words is "forty-five million, three hundred seventeen thousand, four hundred seventy-eight".