142442502 has 8 divisors (see below), whose sum is σ = 284885016. Its totient is φ = 47480832.

The previous prime is 142442497. The next prime is 142442527. The reversal of 142442502 is 205244241.

It is a happy number.

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

142442502 is an admirable number.

It is a congruent number.

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, 11870203 + ... + 11870214.

It is an arithmetic number, because the mean of its divisors is an integer number (35610627).

Almost surely, 2^142442502 is an apocalyptic number.

142442502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142442502 is a wasteful number, since it uses less digits than its factorization.

142442502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23740422.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 142442502 is about 11934.9278171257. The cubic root of 142442502 is about 522.2517025726.

Adding to 142442502 its reverse (205244241), we get a palindrome (347686743).

The spelling of 142442502 in words is "one hundred forty-two million, four hundred forty-two thousand, five hundred two".