15314442 has 48 divisors (see below), whose sum is σ = 36207648. Its totient is φ = 4280640.

The previous prime is 15314441. The next prime is 15314447. The reversal of 15314442 is 24441351.

15314442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×15314442³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (15314441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10468 + ... + 11840.

It is an arithmetic number, because the mean of its divisors is an integer number (754326).

Almost surely, 2^15314442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15314442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18103824).

15314442 is an abundant number, since it is smaller than the sum of its proper divisors (20893206).

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

15314442 is a wasteful number, since it uses less digits than its factorization.

15314442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1402 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 15314442 is about 3913.3670924154. The cubic root of 15314442 is about 248.3325944255.

Adding to 15314442 its reverse (24441351), we get a palindrome (39755793).

The spelling of 15314442 in words is "fifteen million, three hundred fourteen thousand, four hundred forty-two".