142904170 has 32 divisors (see below), whose sum is σ = 266872320. Its totient is φ = 55030080.

The previous prime is 142904161. The next prime is 142904173. The reversal of 142904170 is 71409241.

It is not an unprimeable number, because it can be changed into a prime (142904173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165159 + ... + 166021.

It is an arithmetic number, because the mean of its divisors is an integer number (8339760).

Almost surely, 2^142904170 is an apocalyptic number.

142904170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142904170 is a deficient number, since it is larger than the sum of its proper divisors (123968150).

142904170 is a wasteful number, since it uses less digits than its factorization.

142904170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 142904170 is about 11954.2532179974. The cubic root of 142904170 is about 522.8153145123.

The spelling of 142904170 in words is "one hundred forty-two million, nine hundred four thousand, one hundred seventy".