302124142 has 4 divisors (see below), whose sum is σ = 453186216. Its totient is φ = 151062070.

The previous prime is 302124139. The next prime is 302124161. The reversal of 302124142 is 241421203.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 75531034 + ... + 75531037.

It is an arithmetic number, because the mean of its divisors is an integer number (113296554).

Almost surely, 2^302124142 is an apocalyptic number.

302124142 is a deficient number, since it is larger than the sum of its proper divisors (151062074).

302124142 is a wasteful number, since it uses less digits than its factorization.

302124142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151062073.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 302124142 is about 17381.7186146825. The cubic root of 302124142 is about 671.0092030931.

Adding to 302124142 its reverse (241421203), we get a palindrome (543545345).

The spelling of 302124142 in words is "three hundred two million, one hundred twenty-four thousand, one hundred forty-two".