345601187 has 4 divisors (see below), whose sum is σ = 348239496. Its totient is φ = 342962880.

The previous prime is 345601183. The next prime is 345601213. The reversal of 345601187 is 781106543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345601187 - 2² = 345601183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345601183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1318958 + ... + 1319219.

It is an arithmetic number, because the mean of its divisors is an integer number (87059874).

Almost surely, 2^345601187 is an apocalyptic number.

345601187 is a deficient number, since it is larger than the sum of its proper divisors (2638309).

345601187 is a wasteful number, since it uses less digits than its factorization.

345601187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638308.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 345601187 is about 18590.3519869851. The cubic root of 345601187 is about 701.7650605982.

The spelling of 345601187 in words is "three hundred forty-five million, six hundred one thousand, one hundred eighty-seven".