15042142 has 8 divisors (see below), whose sum is σ = 22989096. Its totient is φ = 7379112.

The previous prime is 15042133. The next prime is 15042151. The reversal of 15042142 is 24124051.

It is an interprime number because it is at equal distance from previous prime (15042133) and next prime (15042151).

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 70848 + ... + 71059.

It is an arithmetic number, because the mean of its divisors is an integer number (2873637).

Almost surely, 2^15042142 is an apocalyptic number.

15042142 is a deficient number, since it is larger than the sum of its proper divisors (7946954).

15042142 is a wasteful number, since it uses less digits than its factorization.

15042142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141962.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 15042142 is about 3878.4200391396. The cubic root of 15042142 is about 246.8519495009.

Adding to 15042142 its reverse (24124051), we get a palindrome (39166193).

The spelling of 15042142 in words is "fifteen million, forty-two thousand, one hundred forty-two".