345411312 has 40 divisors (see below), whose sum is σ = 893038080. Its totient is φ = 115043520.

The previous prime is 345411307. The next prime is 345411323. The reversal of 345411312 is 213114543.

It is a happy number.

It is a super-2 number, since 2×345411312² = 238617948915122688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82387 + ... + 86477.

It is an arithmetic number, because the mean of its divisors is an integer number (22325952).

Almost surely, 2^345411312 is an apocalyptic number.

It is an amenable number.

345411312 is an abundant number, since it is smaller than the sum of its proper divisors (547626768).

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

345411312 is a wasteful number, since it uses less digits than its factorization.

345411312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861 (or 5855 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 345411312 is about 18585.2444697400. The cubic root of 345411312 is about 701.6365193242.

Adding to 345411312 its reverse (213114543), we get a palindrome (558525855).

It can be divided in two parts, 34541 and 1312, that added together give a palindrome (35853).

The spelling of 345411312 in words is "three hundred forty-five million, four hundred eleven thousand, three hundred twelve".