345782855 has 16 divisors (see below), whose sum is σ = 453536928. Its totient is φ = 250992000.

The previous prime is 345782819. The next prime is 345782861. The reversal of 345782855 is 558287543.

It is not a de Polignac number, because 345782855 - 2¹⁸ = 345520711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23945 + ... + 35565.

It is an arithmetic number, because the mean of its divisors is an integer number (28346058).

Almost surely, 2^345782855 is an apocalyptic number.

345782855 is a deficient number, since it is larger than the sum of its proper divisors (107754073).

345782855 is a wasteful number, since it uses less digits than its factorization.

345782855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12178.

The product of its digits is 1344000, while the sum is 47.

The square root of 345782855 is about 18595.2374279007. The cubic root of 345782855 is about 701.8880018456. Note that the first 3 decimals are identical.

The spelling of 345782855 in words is "three hundred forty-five million, seven hundred eighty-two thousand, eight hundred fifty-five".