345244142 has 8 divisors (see below), whose sum is σ = 518404656. Its totient is φ = 172442592.

The previous prime is 345244139. The next prime is 345244147. The reversal of 345244142 is 241442543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345244147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87323 + ... + 91190.

It is an arithmetic number, because the mean of its divisors is an integer number (64800582).

Almost surely, 2^345244142 is an apocalyptic number.

345244142 is a deficient number, since it is larger than the sum of its proper divisors (173160514).

345244142 is a wasteful number, since it uses less digits than its factorization.

345244142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179482.

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

The square root of 345244142 is about 18580.7465404380. The cubic root of 345244142 is about 701.5233098450.

Adding to 345244142 its reverse (241442543), we get a palindrome (586686685).

The spelling of 345244142 in words is "three hundred forty-five million, two hundred forty-four thousand, one hundred forty-two".