45253149568 has 32 divisors (see below), whose sum is σ = 98348467320. Its totient is φ = 20569612800.

The previous prime is 45253149563. The next prime is 45253149593. The reversal of 45253149568 is 86594135254.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45253149563) 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, 16068603 + ... + 16071418.

Almost surely, 2^45253149568 is an apocalyptic number.

It is an amenable number.

45253149568 is an abundant number, since it is smaller than the sum of its proper divisors (53095317752).

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

45253149568 is a wasteful number, since it uses less digits than its factorization.

45253149568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32140046 (or 32140034 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 52.

The spelling of 45253149568 in words is "forty-five billion, two hundred fifty-three million, one hundred forty-nine thousand, five hundred sixty-eight".