142395642 has 24 divisors (see below), whose sum is σ = 309026016. Its totient is φ = 47387976.

The previous prime is 142395629. The next prime is 142395653. The reversal of 142395642 is 246593241.

It is a happy number.

142395642 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 9 + 5 + 642 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 142395597 and 142395606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5533 + ... + 17759.

It is an arithmetic number, because the mean of its divisors is an integer number (12876084).

Almost surely, 2^142395642 is an apocalyptic number.

142395642 is an abundant number, since it is smaller than the sum of its proper divisors (166630374).

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

142395642 is a wasteful number, since it uses less digits than its factorization.

142395642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12882 (or 12879 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 142395642 is about 11932.9645101291. The cubic root of 142395642 is about 522.1944270672.

It can be divided in two parts, 14239 and 5642, that added together give a square (19881 = 141²).

The spelling of 142395642 in words is "one hundred forty-two million, three hundred ninety-five thousand, six hundred forty-two".