345746565 has 24 divisors (see below), whose sum is σ = 618628608. Its totient is φ = 178449120.

The previous prime is 345746539. The next prime is 345746567. The reversal of 345746565 is 565647543.

345746565 is a `hidden beast` number, since 3 + 45 + 7 + 46 + 565 = 666.

It is not a de Polignac number, because 345746565 - 2⁷ = 345746437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 345746565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345746567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122529 + ... + 125318.

It is an arithmetic number, because the mean of its divisors is an integer number (25776192).

Almost surely, 2^345746565 is an apocalyptic number.

It is an amenable number.

345746565 is a deficient number, since it is larger than the sum of its proper divisors (272882043).

345746565 is a wasteful number, since it uses less digits than its factorization.

345746565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247889 (or 247886 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The square root of 345746565 is about 18594.2616148101. The cubic root of 345746565 is about 701.8634465442.

The spelling of 345746565 in words is "three hundred forty-five million, seven hundred forty-six thousand, five hundred sixty-five".