142243874 has 8 divisors (see below), whose sum is σ = 215360208. Its totient is φ = 70457140.

The previous prime is 142243853. The next prime is 142243889. The reversal of 142243874 is 478342241.

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

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, 332132 + ... + 332559.

It is an arithmetic number, because the mean of its divisors is an integer number (26920026).

Almost surely, 2^142243874 is an apocalyptic number.

142243874 is a deficient number, since it is larger than the sum of its proper divisors (73116334).

142243874 is a wasteful number, since it uses less digits than its factorization.

142243874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664800.

The product of its digits is 43008, while the sum is 35.

The square root of 142243874 is about 11926.6036238319. The cubic root of 142243874 is about 522.0088395131.

The spelling of 142243874 in words is "one hundred forty-two million, two hundred forty-three thousand, eight hundred seventy-four".