142131302 has 4 divisors (see below), whose sum is σ = 213196956. Its totient is φ = 71065650.

The previous prime is 142131299. The next prime is 142131347. The reversal of 142131302 is 203131241.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35532824 + ... + 35532827.

It is an arithmetic number, because the mean of its divisors is an integer number (53299239).

Almost surely, 2^142131302 is an apocalyptic number.

142131302 is a deficient number, since it is larger than the sum of its proper divisors (71065654).

142131302 is an equidigital number, since it uses as much as digits as its factorization.

142131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71065653.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 142131302 is about 11921.8833243746. The cubic root of 142131302 is about 521.8710969959.

Adding to 142131302 its reverse (203131241), we get a palindrome (345262543).

It can be divided in two parts, 1421 and 31302, that added together give a palindrome (32723).

The spelling of 142131302 in words is "one hundred forty-two million, one hundred thirty-one thousand, three hundred two".