142864142 has 4 divisors (see below), whose sum is σ = 214296216. Its totient is φ = 71432070.

The previous prime is 142864133. The next prime is 142864147. The reversal of 142864142 is 241468241.

142864142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 142864099 and 142864108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142864147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35716034 + ... + 35716037.

It is an arithmetic number, because the mean of its divisors is an integer number (53574054).

Almost surely, 2^142864142 is an apocalyptic number.

142864142 is a deficient number, since it is larger than the sum of its proper divisors (71432074).

142864142 is an equidigital number, since it uses as much as digits as its factorization.

142864142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71432073.

The product of its digits is 12288, while the sum is 32.

The square root of 142864142 is about 11952.5788849102. The cubic root of 142864142 is about 522.7664957698.

The spelling of 142864142 in words is "one hundred forty-two million, eight hundred sixty-four thousand, one hundred forty-two".