15245242 has 32 divisors (see below), whose sum is σ = 24998400. Its totient is φ = 6955200.

The previous prime is 15245203. The next prime is 15245257. The reversal of 15245242 is 24254251.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109609 + ... + 109747.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 2^15245242 is an apocalyptic number.

15245242 is a deficient number, since it is larger than the sum of its proper divisors (9753158).

15245242 is a wasteful number, since it uses less digits than its factorization.

15245242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its digits is 3200, while the sum is 25.

The square root of 15245242 is about 3904.5155909536. The cubic root of 15245242 is about 247.9579901960.

Adding to 15245242 its reverse (24254251), we get a palindrome (39499493).

Subtracting 15245242 from its reverse (24254251), we obtain a palindrome (9009009).

The spelling of 15245242 in words is "fifteen million, two hundred forty-five thousand, two hundred forty-two".