15152240 has 40 divisors (see below), whose sum is σ = 36188160. Its totient is φ = 5895936.

The previous prime is 15152233. The next prime is 15152261. The reversal of 15152240 is 4225151.

15152240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401 + ... + 5519.

It is an arithmetic number, because the mean of its divisors is an integer number (904704).

Almost surely, 2^15152240 is an apocalyptic number.

15152240 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 15152240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18094080).

15152240 is an abundant number, since it is smaller than the sum of its proper divisors (21035920).

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

15152240 is a wasteful number, since it uses less digits than its factorization.

15152240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169 (or 5163 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 15152240 is about 3892.5878281678. The cubic root of 15152240 is about 247.4527475006.

Adding to 15152240 its reverse (4225151), we get a palindrome (19377391).

The spelling of 15152240 in words is "fifteen million, one hundred fifty-two thousand, two hundred forty".