45444770 has 64 divisors (see below), whose sum is σ = 100638720. Its totient is φ = 14427072.

The previous prime is 45444767. The next prime is 45444781. The reversal of 45444770 is 7744454.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 45444770.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62147 + ... + 62873.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^45444770 is an apocalyptic number.

45444770 is an abundant number, since it is smaller than the sum of its proper divisors (55193950).

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

45444770 is a wasteful number, since it uses less digits than its factorization.

45444770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 62720, while the sum is 35.

The square root of 45444770 is about 6741.2736185383. The cubic root of 45444770 is about 356.8573421701.

The spelling of 45444770 in words is "forty-five million, four hundred forty-four thousand, seven hundred seventy".