15151242 has 16 divisors (see below), whose sum is σ = 30485952. Its totient is φ = 5019840.

The previous prime is 15151229. The next prime is 15151243. The reversal of 15151242 is 24215151.

It is not an unprimeable number, because it can be changed into a prime (15151243) 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, 6559 + ... + 8562.

It is an arithmetic number, because the mean of its divisors is an integer number (1905372).

Almost surely, 2^15151242 is an apocalyptic number.

15151242 is an abundant number, since it is smaller than the sum of its proper divisors (15334710).

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

15151242 is a wasteful number, since it uses less digits than its factorization.

15151242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15293.

The product of its digits is 400, while the sum is 21.

The square root of 15151242 is about 3892.4596337021. The cubic root of 15151242 is about 247.4473145687.

Adding to 15151242 its reverse (24215151), we get a palindrome (39366393).

The spelling of 15151242 in words is "fifteen million, one hundred fifty-one thousand, two hundred forty-two".