345155644 has 6 divisors (see below), whose sum is σ = 604022384. Its totient is φ = 172577820.

The previous prime is 345155611. The next prime is 345155689. The reversal of 345155644 is 446551543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43144452 + ... + 43144459.

Almost surely, 2^345155644 is an apocalyptic number.

It is an amenable number.

345155644 is a deficient number, since it is larger than the sum of its proper divisors (258866740).

345155644 is a wasteful number, since it uses less digits than its factorization.

345155644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86288915 (or 86288913 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 345155644 is about 18578.3649442032. The cubic root of 345155644 is about 701.4633631698.

It can be divided in two parts, 3451 and 55644, that added together give a palindrome (59095).

The spelling of 345155644 in words is "three hundred forty-five million, one hundred fifty-five thousand, six hundred forty-four".