345244442542 has 8 divisors (see below), whose sum is σ = 517905974376. Its totient is φ = 172609117752.

The previous prime is 345244442461. The next prime is 345244442549. The reversal of 345244442542 is 245244442543.

It is a happy number.

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

It is a super-2 number, since 2×345244442542² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345244442549) 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, 6518793 + ... + 6571540.

It is an arithmetic number, because the mean of its divisors is an integer number (64738246797).

Almost surely, 2^345244442542 is an apocalyptic number.

345244442542 is a deficient number, since it is larger than the sum of its proper divisors (172661531834).

345244442542 is a wasteful number, since it uses less digits than its factorization.

345244442542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13103522.

The product of its digits is 2457600, while the sum is 43.

Subtracting from 345244442542 its reverse (245244442543), we obtain a palindrome (99999999999).

The spelling of 345244442542 in words is "three hundred forty-five billion, two hundred forty-four million, four hundred forty-two thousand, five hundred forty-two".