15133242 has 16 divisors (see below), whose sum is σ = 30316320. Its totient is φ = 5036112.

The previous prime is 15133219. The next prime is 15133277. The reversal of 15133242 is 24233151.

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, 2728 + ... + 6140.

It is an arithmetic number, because the mean of its divisors is an integer number (1894770).

Almost surely, 2^15133242 is an apocalyptic number.

15133242 is an abundant number, since it is smaller than the sum of its proper divisors (15183078).

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

15133242 is a wasteful number, since it uses less digits than its factorization.

15133242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157.

The product of its digits is 720, while the sum is 21.

The square root of 15133242 is about 3890.1467838630. The cubic root of 15133242 is about 247.3492848348.

Adding to 15133242 its reverse (24233151), we get a palindrome (39366393).

Subtracting 15133242 from its reverse (24233151), we obtain a palindrome (9099909).

The spelling of 15133242 in words is "fifteen million, one hundred thirty-three thousand, two hundred forty-two".