303322142 has 4 divisors (see below), whose sum is σ = 454983216. Its totient is φ = 151661070.

The previous prime is 303322139. The next prime is 303322157. The reversal of 303322142 is 241223303.

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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75830534 + ... + 75830537.

It is an arithmetic number, because the mean of its divisors is an integer number (113745804).

Almost surely, 2^303322142 is an apocalyptic number.

303322142 is a deficient number, since it is larger than the sum of its proper divisors (151661074).

303322142 is a wasteful number, since it uses less digits than its factorization.

303322142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151661073.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 303322142 is about 17416.1460145464. The cubic root of 303322142 is about 671.8949414727.

Adding to 303322142 its reverse (241223303), we get a palindrome (544545445).

The spelling of 303322142 in words is "three hundred three million, three hundred twenty-two thousand, one hundred forty-two".