303204142 has 4 divisors (see below), whose sum is σ = 454806216. Its totient is φ = 151602070.

The previous prime is 303204131. The next prime is 303204173. The reversal of 303204142 is 241402303.

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, 75801034 + ... + 75801037.

It is an arithmetic number, because the mean of its divisors is an integer number (113701554).

Almost surely, 2^303204142 is an apocalyptic number.

303204142 is a deficient number, since it is larger than the sum of its proper divisors (151602074).

303204142 is a wasteful number, since it uses less digits than its factorization.

303204142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151602073.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 303204142 is about 17412.7580239318. The cubic root of 303204142 is about 671.8078021188.

Adding to 303204142 its reverse (241402303), we get a palindrome (544606445).

The spelling of 303204142 in words is "three hundred three million, two hundred four thousand, one hundred forty-two".