15243042 has 16 divisors (see below), whose sum is σ = 30530592. Its totient is φ = 5073600.

The previous prime is 15243013. The next prime is 15243049. The reversal of 15243042 is 24034251.

It is not an unprimeable number, because it can be changed into a prime (15243049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4042 + ... + 6842.

It is an arithmetic number, because the mean of its divisors is an integer number (1908162).

Almost surely, 2^15243042 is an apocalyptic number.

15243042 is an abundant number, since it is smaller than the sum of its proper divisors (15287550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15243042 is a wasteful number, since it uses less digits than its factorization.

15243042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 15243042 is about 3904.2338557008. The cubic root of 15243042 is about 247.9460622380.

Adding to 15243042 its reverse (24034251), we get a palindrome (39277293).

The spelling of 15243042 in words is "fifteen million, two hundred forty-three thousand, forty-two".