15157223000 has 64 divisors (see below), whose sum is σ = 35518392000. Its totient is φ = 6054259200.

The previous prime is 15157222999. The next prime is 15157223017. The reversal of 15157223000 is 32275151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716576 + ... + 737424.

It is an arithmetic number, because the mean of its divisors is an integer number (554974875).

Almost surely, 2^15157223000 is an apocalyptic number.

15157223000 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 15157223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17759196000).

15157223000 is an abundant number, since it is smaller than the sum of its proper divisors (20361169000).

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

15157223000 is a wasteful number, since it uses less digits than its factorization.

15157223000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21597 (or 21583 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

Adding to 15157223000 its reverse (32275151), we get a palindrome (15189498151).

The spelling of 15157223000 in words is "fifteen billion, one hundred fifty-seven million, two hundred twenty-three thousand".