142304338 has 32 divisors (see below), whose sum is σ = 249180480. Its totient is φ = 60264000.

The previous prime is 142304333. The next prime is 142304339. The reversal of 142304338 is 833403241.

It is a super-2 number, since 2×142304338² = 40501049227236488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142304333) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 22708 + ... + 28288.

It is an arithmetic number, because the mean of its divisors is an integer number (7786890).

Almost surely, 2^142304338 is an apocalyptic number.

142304338 is a deficient number, since it is larger than the sum of its proper divisors (106876142).

142304338 is a wasteful number, since it uses less digits than its factorization.

142304338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5674.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 142304338 is about 11929.1381918393. The cubic root of 142304338 is about 522.0827929530.

Adding to 142304338 its reverse (833403241), we get a palindrome (975707579).

The spelling of 142304338 in words is "one hundred forty-two million, three hundred four thousand, three hundred thirty-eight".