345144704 has 32 divisors (see below), whose sum is σ = 688724400. Its totient is φ = 172288512.

The previous prime is 345144677. The next prime is 345144719. The reversal of 345144704 is 407441543.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91202 + ... + 94910.

Almost surely, 2^345144704 is an apocalyptic number.

It is an amenable number.

345144704 is a deficient number, since it is larger than the sum of its proper divisors (343579696).

345144704 is an equidigital number, since it uses as much as digits as its factorization.

345144704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450 (or 4438 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 345144704 is about 18578.0705133768. The cubic root of 345144704 is about 701.4559519333.

The spelling of 345144704 in words is "three hundred forty-five million, one hundred forty-four thousand, seven hundred four".