142502312 has 16 divisors (see below), whose sum is σ = 269947860. Its totient is φ = 70516224.

The previous prime is 142502309. The next prime is 142502329. The reversal of 142502312 is 213205241.

142502312 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 136282276 + 6220036 = 11674^2 + 2494^2 .

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, 91043 + ... + 92594.

Almost surely, 2^142502312 is an apocalyptic number.

It is an amenable number.

142502312 is a deficient number, since it is larger than the sum of its proper divisors (127445548).

142502312 is a wasteful number, since it uses less digits than its factorization.

142502312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183740 (or 183736 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 142502312 is about 11937.4332249441. The cubic root of 142502312 is about 522.3247882108.

Adding to 142502312 its reverse (213205241), we get a palindrome (355707553).

The spelling of 142502312 in words is "one hundred forty-two million, five hundred two thousand, three hundred twelve".