45444523239 has 12 divisors (see below), whose sum is σ = 65771058600. Its totient is φ = 30236824464.

The previous prime is 45444523219. The next prime is 45444523249. The reversal of 45444523239 is 93232544454.

45444523239 is a `hidden beast` number, since 4 + 54 + 44 + 523 + 2 + 39 = 666.

45444523239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45444523239 - 2⁵ = 45444523207 is a prime.

It is a super-2 number, since 2×45444523239² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45444523194 and 45444523203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45444523219) 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, 4955529 + ... + 4964690.

It is an arithmetic number, because the mean of its divisors is an integer number (5480921550).

Almost surely, 2^45444523239 is an apocalyptic number.

45444523239 is a deficient number, since it is larger than the sum of its proper divisors (20326535361).

45444523239 is a wasteful number, since it uses less digits than its factorization.

45444523239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9920734 (or 9920731 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The spelling of 45444523239 in words is "forty-five billion, four hundred forty-four million, five hundred twenty-three thousand, two hundred thirty-nine".