15055142 has 4 divisors (see below), whose sum is σ = 22582716. Its totient is φ = 7527570.

The previous prime is 15055129. The next prime is 15055177. The reversal of 15055142 is 24155051.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3763784 + ... + 3763787.

It is an arithmetic number, because the mean of its divisors is an integer number (5645679).

Almost surely, 2^15055142 is an apocalyptic number.

15055142 is a deficient number, since it is larger than the sum of its proper divisors (7527574).

15055142 is an equidigital number, since it uses as much as digits as its factorization.

15055142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7527573.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 15055142 is about 3880.0956173785. The cubic root of 15055142 is about 246.9230420204.

Subtracting 15055142 from its reverse (24155051), we obtain a palindrome (9099909).

The spelling of 15055142 in words is "fifteen million, fifty-five thousand, one hundred forty-two".