142342042 has 16 divisors (see below), whose sum is σ = 216720000. Its totient is φ = 70106400.

The previous prime is 142342019. The next prime is 142342069. The reversal of 142342042 is 240243241.

It is a happy number.

It is a super-2 number, since 2×142342042² = 40522513841459528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94209 + ... + 95707.

It is an arithmetic number, because the mean of its divisors is an integer number (13545000).

Almost surely, 2^142342042 is an apocalyptic number.

142342042 is a deficient number, since it is larger than the sum of its proper divisors (74377958).

142342042 is a wasteful number, since it uses less digits than its factorization.

142342042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142342042 is about 11930.7184192738. The cubic root of 142342042 is about 522.1288980628.

Adding to 142342042 its reverse (240243241), we get a palindrome (382585283).

The spelling of 142342042 in words is "one hundred forty-two million, three hundred forty-two thousand, forty-two".