345305799 has 12 divisors (see below), whose sum is σ = 503437896. Its totient is φ = 228051792.

The previous prime is 345305797. The next prime is 345305801. The reversal of 345305799 is 997503543.

345305799 is a `hidden beast` number, since 3 + 45 + 30 + 579 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (345305797) and next prime (345305801).

It is not a de Polignac number, because 345305799 - 2¹ = 345305797 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (345305797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178324 + ... + 180249.

It is an arithmetic number, because the mean of its divisors is an integer number (41953158).

Almost surely, 2^345305799 is an apocalyptic number.

345305799 is a deficient number, since it is larger than the sum of its proper divisors (158132097).

345305799 is a wasteful number, since it uses less digits than its factorization.

345305799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358686 (or 358683 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The square root of 345305799 is about 18582.4056300577. The cubic root of 345305799 is about 701.5650689393.

The spelling of 345305799 in words is "three hundred forty-five million, three hundred five thousand, seven hundred ninety-nine".