345645230 has 32 divisors (see below), whose sum is σ = 718096320. Its totient is φ = 117331200.

The previous prime is 345645227. The next prime is 345645233. The reversal of 345645230 is 32546543.

It is an interprime number because it is at equal distance from previous prime (345645227) and next prime (345645233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345645233) 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, 17375 + ... + 31514.

It is an arithmetic number, because the mean of its divisors is an integer number (22440510).

Almost surely, 2^345645230 is an apocalyptic number.

345645230 is an abundant number, since it is smaller than the sum of its proper divisors (372451090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345645230 is a wasteful number, since it uses less digits than its factorization.

345645230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49004.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 345645230 is about 18591.5365153072. The cubic root of 345645230 is about 701.7948700306.

The spelling of 345645230 in words is "three hundred forty-five million, six hundred forty-five thousand, two hundred thirty".