15045014500 has 48 divisors (see below), whose sum is σ = 32909804928. Its totient is φ = 6008575200.

The previous prime is 15045014489. The next prime is 15045014503. The reversal of 15045014500 is 541054051.

It is a happy number.

It is a super-2 number, since 2×15045014500² (a number of 21 digits) contains 22 as substring.

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 (15045014503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300247 + ... + 346753.

It is an arithmetic number, because the mean of its divisors is an integer number (685620936).

Almost surely, 2^15045014500 is an apocalyptic number.

15045014500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15045014500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16454902464).

15045014500 is an abundant number, since it is smaller than the sum of its proper divisors (17864790428).

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

15045014500 is a wasteful number, since it uses less digits than its factorization.

15045014500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47173 (or 47161 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 15045014500 its reverse (541054051), we get a palindrome (15586068551).

The spelling of 15045014500 in words is "fifteen billion, forty-five million, fourteen thousand, five hundred".