45131104500 has 48 divisors (see below), whose sum is σ = 131421780672. Its totient is φ = 12034960800.

The previous prime is 45131104493. The next prime is 45131104523. The reversal of 45131104500 is 540113154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15042202 + ... + 15045201.

It is an arithmetic number, because the mean of its divisors is an integer number (2737953764).

Almost surely, 2^45131104500 is an apocalyptic number.

It is an amenable number.

45131104500 is an abundant number, since it is smaller than the sum of its proper divisors (86290676172).

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

45131104500 is a wasteful number, since it uses less digits than its factorization.

45131104500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30087425 (or 30087413 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 45131104500 its reverse (540113154), we get a palindrome (45671217654).

The spelling of 45131104500 in words is "forty-five billion, one hundred thirty-one million, one hundred four thousand, five hundred".