142442164 has 24 divisors (see below), whose sum is σ = 267351840. Its totient is φ = 66197664.

The previous prime is 142442161. The next prime is 142442173. The reversal of 142442164 is 461244241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142442161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13654 + ... + 21709.

It is an arithmetic number, because the mean of its divisors is an integer number (11139660).

Almost surely, 2^142442164 is an apocalyptic number.

It is an amenable number.

142442164 is a deficient number, since it is larger than the sum of its proper divisors (124909676).

142442164 is a wasteful number, since it uses less digits than its factorization.

142442164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35439 (or 35437 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 142442164 is about 11934.9136569981. The cubic root of 142442164 is about 522.2512894908.

The spelling of 142442164 in words is "one hundred forty-two million, four hundred forty-two thousand, one hundred sixty-four".