344220142 has 16 divisors (see below), whose sum is σ = 591091200. Its totient is φ = 147273048.

The previous prime is 344220119. The next prime is 344220157. The reversal of 344220142 is 241022443.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12138 + ... + 28909.

It is an arithmetic number, because the mean of its divisors is an integer number (36943200).

Almost surely, 2^344220142 is an apocalyptic number.

344220142 is a deficient number, since it is larger than the sum of its proper divisors (246871058).

344220142 is a wasteful number, since it uses less digits than its factorization.

344220142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41655.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 344220142 is about 18553.1706724215. The cubic root of 344220142 is about 700.8290463013.

Adding to 344220142 its reverse (241022443), we get a palindrome (585242585).

The spelling of 344220142 in words is "three hundred forty-four million, two hundred twenty thousand, one hundred forty-two".