345024342 has 48 divisors (see below), whose sum is σ = 814151520. Its totient is φ = 104962176.

The previous prime is 345024331. The next prime is 345024347. The reversal of 345024342 is 243420543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345024347) 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 23 ways as a sum of consecutive naturals, for example, 12543 + ... + 29109.

It is an arithmetic number, because the mean of its divisors is an integer number (16961490).

Almost surely, 2^345024342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345024342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407075760).

345024342 is an abundant number, since it is smaller than the sum of its proper divisors (469127178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345024342 is a wasteful number, since it uses less digits than its factorization.

345024342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16677 (or 16674 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 345024342 is about 18574.8308740618. The cubic root of 345024342 is about 701.3744030869.

Adding to 345024342 its reverse (243420543), we get a palindrome (588444885).

The spelling of 345024342 in words is "three hundred forty-five million, twenty-four thousand, three hundred forty-two".