302434142 has 4 divisors (see below), whose sum is σ = 453651216. Its totient is φ = 151217070.

The previous prime is 302434141. The next prime is 302434169. The reversal of 302434142 is 241434203.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302434141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75608534 + ... + 75608537.

It is an arithmetic number, because the mean of its divisors is an integer number (113412804).

Almost surely, 2^302434142 is an apocalyptic number.

302434142 is a deficient number, since it is larger than the sum of its proper divisors (151217074).

302434142 is a wasteful number, since it uses less digits than its factorization.

302434142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151217073.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 302434142 is about 17390.6337434839. The cubic root of 302434142 is about 671.2386250640.

Adding to 302434142 its reverse (241434203), we get a palindrome (543868345).

The spelling of 302434142 in words is "three hundred two million, four hundred thirty-four thousand, one hundred forty-two".