142031302 has 48 divisors (see below), whose sum is σ = 263099232. Its totient is φ = 57214080.

The previous prime is 142031293. The next prime is 142031317. The reversal of 142031302 is 203130241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136978 + ... + 138010.

It is an arithmetic number, because the mean of its divisors is an integer number (5481234).

Almost surely, 2^142031302 is an apocalyptic number.

142031302 is a deficient number, since it is larger than the sum of its proper divisors (121067930).

142031302 is a wasteful number, since it uses less digits than its factorization.

142031302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 142031302 is about 11917.6886181843. The cubic root of 142031302 is about 521.7486764995.

Adding to 142031302 its reverse (203130241), we get a palindrome (345161543).

The spelling of 142031302 in words is "one hundred forty-two million, thirty-one thousand, three hundred two".