16195142 has 4 divisors (see below), whose sum is σ = 24292716. Its totient is φ = 8097570.

The previous prime is 16195139. The next prime is 16195183. The reversal of 16195142 is 24159161.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 4048784 + ... + 4048787.

It is an arithmetic number, because the mean of its divisors is an integer number (6073179).

Almost surely, 2^16195142 is an apocalyptic number.

16195142 is a deficient number, since it is larger than the sum of its proper divisors (8097574).

16195142 is an equidigital number, since it uses as much as digits as its factorization.

16195142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8097573.

The product of its digits is 2160, while the sum is 29.

The square root of 16195142 is about 4024.3188243478. The cubic root of 16195142 is about 253.0045044947.

The spelling of 16195142 in words is "sixteen million, one hundred ninety-five thousand, one hundred forty-two".