345537663 has 8 divisors (see below), whose sum is σ = 464345088. Its totient is φ = 228544344.

The previous prime is 345537659. The next prime is 345537677. The reversal of 345537663 is 366735543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345537663 - 2² = 345537659 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345537683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453081 + ... + 453842.

It is an arithmetic number, because the mean of its divisors is an integer number (58043136).

Almost surely, 2^345537663 is an apocalyptic number.

345537663 is a deficient number, since it is larger than the sum of its proper divisors (118807425).

345537663 is a wasteful number, since it uses less digits than its factorization.

345537663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907053.

The product of its digits is 680400, while the sum is 42.

The square root of 345537663 is about 18588.6433878323. The cubic root of 345537663 is about 701.7220614641.

The spelling of 345537663 in words is "three hundred forty-five million, five hundred thirty-seven thousand, six hundred sixty-three".