342245144 has 8 divisors (see below), whose sum is σ = 641709660. Its totient is φ = 171122568.

The previous prime is 342245131. The next prime is 342245147. The reversal of 342245144 is 441542243.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342245147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21390314 + ... + 21390329.

Almost surely, 2^342245144 is an apocalyptic number.

It is an amenable number.

342245144 is a deficient number, since it is larger than the sum of its proper divisors (299464516).

342245144 is a wasteful number, since it uses less digits than its factorization.

342245144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42780649 (or 42780645 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 342245144 is about 18499.8687562912. The cubic root of 342245144 is about 699.4861153559.

Adding to 342245144 its reverse (441542243), we get a palindrome (783787387).

The spelling of 342245144 in words is "three hundred forty-two million, two hundred forty-five thousand, one hundred forty-four".