45525137500 has 72 divisors (see below), whose sum is σ = 101269299600. Its totient is φ = 17901120000.

The previous prime is 45525137491. The next prime is 45525137503. The reversal of 45525137500 is 573152554.

It is a self number, because there is not a number n which added to its sum of digits gives 45525137500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45525137503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 706636 + ... + 768364.

It is an arithmetic number, because the mean of its divisors is an integer number (1406518050).

Almost surely, 2^45525137500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45525137500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50634649800).

45525137500 is an abundant number, since it is smaller than the sum of its proper divisors (55744162100).

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

45525137500 is an equidigital number, since it uses as much as digits as its factorization.

45525137500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61817 (or 61795 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 45525137500 in words is "forty-five billion, five hundred twenty-five million, one hundred thirty-seven thousand, five hundred".