45131644552 has 16 divisors (see below), whose sum is σ = 86056102800. Its totient is φ = 22183350480.

The previous prime is 45131644529. The next prime is 45131644553. The reversal of 45131644552 is 25544613154.

It is not an unprimeable number, because it can be changed into a prime (45131644553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47808474 + ... + 47809417.

It is an arithmetic number, because the mean of its divisors is an integer number (5378506425).

Almost surely, 2^45131644552 is an apocalyptic number.

It is an amenable number.

45131644552 is a deficient number, since it is larger than the sum of its proper divisors (40924458248).

45131644552 is a wasteful number, since it uses less digits than its factorization.

45131644552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95617956 (or 95617952 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The spelling of 45131644552 in words is "forty-five billion, one hundred thirty-one million, six hundred forty-four thousand, five hundred fifty-two".