16142244 has 24 divisors (see below), whose sum is σ = 38467968. Its totient is φ = 5266080.

The previous prime is 16142239. The next prime is 16142257. The reversal of 16142244 is 44224161.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13747 + ... + 14874.

It is an arithmetic number, because the mean of its divisors is an integer number (1602832).

Almost surely, 2^16142244 is an apocalyptic number.

It is an amenable number.

16142244 is an abundant number, since it is smaller than the sum of its proper divisors (22325724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16142244 is a wasteful number, since it uses less digits than its factorization.

16142244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28675 (or 28673 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 16142244 is about 4017.7411564211. The cubic root of 16142244 is about 252.7287421671.

The spelling of 16142244 in words is "sixteen million, one hundred forty-two thousand, two hundred forty-four".