15242302 has 8 divisors (see below), whose sum is σ = 24208416. Its totient is φ = 7172832.

The previous prime is 15242291. The next prime is 15242303. The reversal of 15242302 is 20324251.

15242302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15242302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224118 + ... + 224185.

It is an arithmetic number, because the mean of its divisors is an integer number (3026052).

Almost surely, 2^15242302 is an apocalyptic number.

15242302 is a deficient number, since it is larger than the sum of its proper divisors (8966114).

15242302 is a wasteful number, since it uses less digits than its factorization.

15242302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448322.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 15242302 is about 3904.1390856372. The cubic root of 15242302 is about 247.9420498487.

Adding to 15242302 its reverse (20324251), we get a palindrome (35566553).

The spelling of 15242302 in words is "fifteen million, two hundred forty-two thousand, three hundred two".