15045023500 has 48 divisors (see below), whose sum is σ = 35385910560. Its totient is φ = 5555083200.

The previous prime is 15045023489. The next prime is 15045023503. The reversal of 15045023500 is 532054051.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (15045023503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150810 + ... + 1163809.

It is an arithmetic number, because the mean of its divisors is an integer number (737206470).

Almost surely, 2^15045023500 is an apocalyptic number.

15045023500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15045023500 is an abundant number, since it is smaller than the sum of its proper divisors (20340887060).

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

15045023500 is a wasteful number, since it uses less digits than its factorization.

15045023500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314651 (or 2314639 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 15045023500 its reverse (532054051), we get a palindrome (15577077551).

The spelling of 15045023500 in words is "fifteen billion, forty-five million, twenty-three thousand, five hundred".