15151142 has 4 divisors (see below), whose sum is σ = 22726716. Its totient is φ = 7575570.

The previous prime is 15151133. The next prime is 15151159. The reversal of 15151142 is 24115151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24115151 = 137 ⋅176023.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3787784 + ... + 3787787.

It is an arithmetic number, because the mean of its divisors is an integer number (5681679).

Almost surely, 2^15151142 is an apocalyptic number.

15151142 is a deficient number, since it is larger than the sum of its proper divisors (7575574).

15151142 is an equidigital number, since it uses as much as digits as its factorization.

15151142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575573.

The product of its digits is 200, while the sum is 20.

The square root of 15151142 is about 3892.4467883325. The cubic root of 15151142 is about 247.4467701736.

Adding to 15151142 its reverse (24115151), we get a palindrome (39266293).

The spelling of 15151142 in words is "fifteen million, one hundred fifty-one thousand, one hundred forty-two".