15489152 has 64 divisors (see below), whose sum is σ = 35985600. Its totient is φ = 6503424.

The previous prime is 15489151. The next prime is 15489191. The reversal of 15489152 is 25198451.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (15489151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52718 + ... + 53010.

It is an arithmetic number, because the mean of its divisors is an integer number (562275).

Almost surely, 2^15489152 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 15489152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17992800).

15489152 is an abundant number, since it is smaller than the sum of its proper divisors (20496448).

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

15489152 is an equidigital number, since it uses as much as digits as its factorization.

15489152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 361 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

The square root of 15489152 is about 3935.6259984912. The cubic root of 15489152 is about 249.2733673998.

The spelling of 15489152 in words is "fifteen million, four hundred eighty-nine thousand, one hundred fifty-two".