15242235 has 16 divisors (see below), whose sum is σ = 25175040. Its totient is φ = 7866720.

The previous prime is 15242221. The next prime is 15242239. The reversal of 15242235 is 53224251.

It is not a de Polignac number, because 15242235 - 2¹¹ = 15240187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15242239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15925 + ... + 16854.

It is an arithmetic number, because the mean of its divisors is an integer number (1573440).

Almost surely, 2^15242235 is an apocalyptic number.

15242235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15242235 is a deficient number, since it is larger than the sum of its proper divisors (9932805).

15242235 is a wasteful number, since it uses less digits than its factorization.

15242235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32818.

The product of its digits is 2400, while the sum is 24.

The square root of 15242235 is about 3904.1305049908. The cubic root of 15242235 is about 247.9416865584.

Adding to 15242235 its reverse (53224251), we get a palindrome (68466486).

The spelling of 15242235 in words is "fifteen million, two hundred forty-two thousand, two hundred thirty-five".