45131540500 has 288 divisors, whose sum is σ = 109488008448. Its totient is φ = 16237312000.

The previous prime is 45131540497. The next prime is 45131540507. The reversal of 45131540500 is 504513154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45131540507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 543753459 + ... + 543753541.

It is an arithmetic number, because the mean of its divisors is an integer number (380166696).

Almost surely, 2^45131540500 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 45131540500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54744004224).

45131540500 is an abundant number, since it is smaller than the sum of its proper divisors (64356467948).

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

45131540500 is a wasteful number, since it uses less digits than its factorization.

45131540500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 45131540500 in words is "forty-five billion, one hundred thirty-one million, five hundred forty thousand, five hundred".