187343345 has 16 divisors (see below), whose sum is σ = 257168640. Its totient is φ = 128343744.

The previous prime is 187343341. The next prime is 187343347. The reversal of 187343345 is 543343781.

187343345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 187343345 - 2² = 187343341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 187343299 and 187343308.

It is not an unprimeable number, because it can be changed into a prime (187343341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52271 + ... + 55739.

It is an arithmetic number, because the mean of its divisors is an integer number (16073040).

Almost surely, 2^187343345 is an apocalyptic number.

It is an amenable number.

187343345 is a deficient number, since it is larger than the sum of its proper divisors (69825295).

187343345 is a wasteful number, since it uses less digits than its factorization.

187343345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024.

The product of its digits is 120960, while the sum is 38.

The square root of 187343345 is about 13687.3425105095. The cubic root of 187343345 is about 572.1976766771.

The spelling of 187343345 in words is "one hundred eighty-seven million, three hundred forty-three thousand, three hundred forty-five".