45444870 has 24 divisors (see below), whose sum is σ = 118156896. Its totient is φ = 12118608.

The previous prime is 45444863. The next prime is 45444877. The reversal of 45444870 is 7844454.

45444870 is a `hidden beast` number, since 4 + 544 + 48 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (45444863) and next prime (45444877).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45444877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252382 + ... + 252561.

It is an arithmetic number, because the mean of its divisors is an integer number (4923204).

Almost surely, 2^45444870 is an apocalyptic number.

45444870 is an abundant number, since it is smaller than the sum of its proper divisors (72712026).

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

45444870 is a wasteful number, since it uses less digits than its factorization.

45444870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504956 (or 504953 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 45444870 is about 6741.2810355303. The cubic root of 45444870 is about 356.8576039216.

The spelling of 45444870 in words is "forty-five million, four hundred forty-four thousand, eight hundred seventy".