345612144 has 20 divisors (see below), whose sum is σ = 892831496. Its totient is φ = 115204032.

The previous prime is 345612143. The next prime is 345612181. The reversal of 345612144 is 441216543.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345612143) 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, 3600079 + ... + 3600174.

Almost surely, 2^345612144 is an apocalyptic number.

It is an amenable number.

345612144 is an abundant number, since it is smaller than the sum of its proper divisors (547219352).

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

345612144 is a wasteful number, since it uses less digits than its factorization.

345612144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200264 (or 7200258 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 345612144 is about 18590.6466805219. The cubic root of 345612144 is about 701.7724768136.

Adding to 345612144 its reverse (441216543), we get a palindrome (786828687).

The spelling of 345612144 in words is "three hundred forty-five million, six hundred twelve thousand, one hundred forty-four".