15233242 has 4 divisors (see below), whose sum is σ = 22849866. Its totient is φ = 7616620.

The previous prime is 15233227. The next prime is 15233243. The reversal of 15233242 is 24233251.

15233242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13242321 + 1990921 = 3639^2 + 1411^2 .

It is not an unprimeable number, because it can be changed into a prime (15233243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3808309 + ... + 3808312.

Almost surely, 2^15233242 is an apocalyptic number.

15233242 is a deficient number, since it is larger than the sum of its proper divisors (7616624).

15233242 is an equidigital number, since it uses as much as digits as its factorization.

15233242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7616623.

The product of its digits is 1440, while the sum is 22.

The square root of 15233242 is about 3902.9786061417. The cubic root of 15233242 is about 247.8929146591.

Adding to 15233242 its reverse (24233251), we get a palindrome (39466493).

Subtracting 15233242 from its reverse (24233251), we obtain a palindrome (9000009).

The spelling of 15233242 in words is "fifteen million, two hundred thirty-three thousand, two hundred forty-two".