345555567 has 24 divisors (see below), whose sum is σ = 570970400. Its totient is φ = 197277120.

The previous prime is 345555547. The next prime is 345555569. The reversal of 345555567 is 765555543.

345555567 is a `hidden beast` number, since 3 + 45 + 55 + 556 + 7 = 666.

It is not a de Polignac number, because 345555567 - 2¹¹ = 345553519 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345555569) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95817 + ... + 99357.

Almost surely, 2^345555567 is an apocalyptic number.

345555567 is a deficient number, since it is larger than the sum of its proper divisors (225414833).

345555567 is a wasteful number, since it uses less digits than its factorization.

345555567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103 (or 5100 counting only the distinct ones).

The product of its digits is 1575000, while the sum is 45.

The square root of 345555567 is about 18589.1249659579. The cubic root of 345555567 is about 701.7341811413.

The spelling of 345555567 in words is "three hundred forty-five million, five hundred fifty-five thousand, five hundred sixty-seven".