16456142 has 4 divisors (see below), whose sum is σ = 24684216. Its totient is φ = 8228070.

The previous prime is 16456123. The next prime is 16456151. The reversal of 16456142 is 24165461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24165461 = 31 ⋅779531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4114034 + ... + 4114037.

It is an arithmetic number, because the mean of its divisors is an integer number (6171054).

Almost surely, 2^16456142 is an apocalyptic number.

16456142 is a deficient number, since it is larger than the sum of its proper divisors (8228074).

16456142 is an equidigital number, since it uses as much as digits as its factorization.

16456142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8228073.

The product of its digits is 5760, while the sum is 29.

The square root of 16456142 is about 4056.6170635149. The cubic root of 16456142 is about 254.3564033879.

The spelling of 16456142 in words is "sixteen million, four hundred fifty-six thousand, one hundred forty-two".