15230542 has 8 divisors (see below), whose sum is σ = 22885632. Its totient is φ = 7602000.

The previous prime is 15230519. The next prime is 15230543. The reversal of 15230542 is 24503251.

15230542 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 super-2 number, since 2×15230542² = 463938819227528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15230543) 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, 5134 + ... + 7537.

It is an arithmetic number, because the mean of its divisors is an integer number (2860704).

Almost surely, 2^15230542 is an apocalyptic number.

15230542 is a deficient number, since it is larger than the sum of its proper divisors (7655090).

15230542 is a wasteful number, since it uses less digits than its factorization.

15230542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13274.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 15230542 is about 3902.6327011391. The cubic root of 15230542 is about 247.8782679538.

Adding to 15230542 its reverse (24503251), we get a palindrome (39733793).

The spelling of 15230542 in words is "fifteen million, two hundred thirty thousand, five hundred forty-two".