16142446 has 4 divisors (see below), whose sum is σ = 24213672. Its totient is φ = 8071222.

The previous prime is 16142443. The next prime is 16142447. The reversal of 16142446 is 64424161.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16142443) by changing a digit.

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 as a sum of consecutive naturals, namely, 4035610 + ... + 4035613.

It is an arithmetic number, because the mean of its divisors is an integer number (6053418).

Almost surely, 2^16142446 is an apocalyptic number.

16142446 is a deficient number, since it is larger than the sum of its proper divisors (8071226).

16142446 is an equidigital number, since it uses as much as digits as its factorization.

16142446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8071225.

The product of its digits is 4608, while the sum is 28.

The square root of 16142446 is about 4017.7662948459. The cubic root of 16142446 is about 252.7297963574.

The spelling of 16142446 in words is "sixteen million, one hundred forty-two thousand, four hundred forty-six".