142251302 has 4 divisors (see below), whose sum is σ = 213376956. Its totient is φ = 71125650.

The previous prime is 142251283. The next prime is 142251323. The reversal of 142251302 is 203152241.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35562824 + ... + 35562827.

It is an arithmetic number, because the mean of its divisors is an integer number (53344239).

Almost surely, 2^142251302 is an apocalyptic number.

142251302 is a deficient number, since it is larger than the sum of its proper divisors (71125654).

142251302 is an equidigital number, since it uses as much as digits as its factorization.

142251302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71125653.

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

The square root of 142251302 is about 11926.9150244311. The cubic root of 142251302 is about 522.0179258192.

The spelling of 142251302 in words is "one hundred forty-two million, two hundred fifty-one thousand, three hundred two".