142442342 has 8 divisors (see below), whose sum is σ = 244186896. Its totient is φ = 61046712.

The previous prime is 142442281. The next prime is 142442347. The reversal of 142442342 is 243244241.

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 not an unprimeable number, because it can be changed into a prime (142442347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5087213 + ... + 5087240.

It is an arithmetic number, because the mean of its divisors is an integer number (30523362).

Almost surely, 2^142442342 is an apocalyptic number.

142442342 is a deficient number, since it is larger than the sum of its proper divisors (101744554).

142442342 is a wasteful number, since it uses less digits than its factorization.

142442342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10174462.

The product of its digits is 6144, while the sum is 26.

The square root of 142442342 is about 11934.9211141088. The cubic root of 142442342 is about 522.2515070310.

Adding to 142442342 its reverse (243244241), we get a palindrome (385686583).

The spelling of 142442342 in words is "one hundred forty-two million, four hundred forty-two thousand, three hundred forty-two".