16542142 has 8 divisors (see below), whose sum is σ = 24834600. Its totient is φ = 8263944.

The previous prime is 16542137. The next prime is 16542181. The reversal of 16542142 is 24124561.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84 + ... + 5752.

It is an arithmetic number, because the mean of its divisors is an integer number (3104325).

Almost surely, 2^16542142 is an apocalyptic number.

16542142 is a deficient number, since it is larger than the sum of its proper divisors (8292458).

16542142 is a wasteful number, since it uses less digits than its factorization.

16542142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7130.

The product of its digits is 1920, while the sum is 25.

The square root of 16542142 is about 4067.2032159704. The cubic root of 16542142 is about 254.7987236516.

The spelling of 16542142 in words is "sixteen million, five hundred forty-two thousand, one hundred forty-two".