45443478 has 16 divisors (see below), whose sum is σ = 95670720. Its totient is φ = 14350536.

The previous prime is 45443477. The next prime is 45443527. The reversal of 45443478 is 87434454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45443471) 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, 199200 + ... + 199427.

It is an arithmetic number, because the mean of its divisors is an integer number (5979420).

Almost surely, 2^45443478 is an apocalyptic number.

45443478 is an abundant number, since it is smaller than the sum of its proper divisors (50227242).

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

45443478 is a wasteful number, since it uses less digits than its factorization.

45443478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398651.

The product of its digits is 215040, while the sum is 39.

The square root of 45443478 is about 6741.1777902678. The cubic root of 45443478 is about 356.8539603064.

The spelling of 45443478 in words is "forty-five million, four hundred forty-three thousand, four hundred seventy-eight".