142502342 has 16 divisors (see below), whose sum is σ = 223914240. Its totient is φ = 67888392.

The previous prime is 142502341. The next prime is 142502359. The reversal of 142502342 is 243205241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142502341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6209 + ... + 17987.

It is an arithmetic number, because the mean of its divisors is an integer number (13994640).

Almost surely, 2^142502342 is an apocalyptic number.

142502342 is a deficient number, since it is larger than the sum of its proper divisors (81411898).

142502342 is a wasteful number, since it uses less digits than its factorization.

142502342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12067.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 142502342 is about 11937.4344814956. The cubic root of 142502342 is about 522.3248248646.

Adding to 142502342 its reverse (243205241), we get a palindrome (385707583).

The spelling of 142502342 in words is "one hundred forty-two million, five hundred two thousand, three hundred forty-two".