345432144 has 40 divisors (see below), whose sum is σ = 894843520. Its totient is φ = 114824448.

The previous prime is 345432127. The next prime is 345432151. The reversal of 345432144 is 441234543.

It is a super-2 number, since 2×345432144² = 238646732216873472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7812 + ... + 27420.

It is an arithmetic number, because the mean of its divisors is an integer number (22371088).

Almost surely, 2^345432144 is an apocalyptic number.

It is an amenable number.

345432144 is an abundant number, since it is smaller than the sum of its proper divisors (549411376).

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

345432144 is a wasteful number, since it uses less digits than its factorization.

345432144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19987 (or 19981 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 345432144 is about 18585.8049058953. The cubic root of 345432144 is about 701.6506244385.

Adding to 345432144 its reverse (441234543), we get a palindrome (786666687).

The spelling of 345432144 in words is "three hundred forty-five million, four hundred thirty-two thousand, one hundred forty-four".