142489142 has 8 divisors (see below), whose sum is σ = 213870432. Its totient is φ = 71199000.

The previous prime is 142489129. The next prime is 142489169. The reversal of 142489142 is 241984241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18734 + ... + 25217.

It is an arithmetic number, because the mean of its divisors is an integer number (26733804).

Almost surely, 2^142489142 is an apocalyptic number.

142489142 is a deficient number, since it is larger than the sum of its proper divisors (71381290).

142489142 is a wasteful number, since it uses less digits than its factorization.

142489142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45574.

The product of its digits is 18432, while the sum is 35.

The square root of 142489142 is about 11936.8815860760. The cubic root of 142489142 is about 522.3086967072.

The spelling of 142489142 in words is "one hundred forty-two million, four hundred eighty-nine thousand, one hundred forty-two".