345740188 has 12 divisors (see below), whose sum is σ = 636889960. Its totient is φ = 163771632.

The previous prime is 345740159. The next prime is 345740221. The reversal of 345740188 is 881047543.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 345740188.

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, 2274531 + ... + 2274682.

Almost surely, 2^345740188 is an apocalyptic number.

345740188 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

345740188 is a deficient number, since it is larger than the sum of its proper divisors (291149772).

345740188 is a wasteful number, since it uses less digits than its factorization.

345740188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549236 (or 4549234 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 345740188 is about 18594.0901363847. The cubic root of 345740188 is about 701.8591314271.

The spelling of 345740188 in words is "three hundred forty-five million, seven hundred forty thousand, one hundred eighty-eight".