345863555 has 32 divisors (see below), whose sum is σ = 464693760. Its totient is φ = 245583360.

The previous prime is 345863543. The next prime is 345863587. The reversal of 345863555 is 555368543.

It is not a de Polignac number, because 345863555 - 2¹⁴ = 345847171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534242 + ... + 534888.

It is an arithmetic number, because the mean of its divisors is an integer number (14521680).

Almost surely, 2^345863555 is an apocalyptic number.

345863555 is a deficient number, since it is larger than the sum of its proper divisors (118830205).

345863555 is a wasteful number, since it uses less digits than its factorization.

345863555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019.

The product of its digits is 1080000, while the sum is 44.

The square root of 345863555 is about 18597.4072117594. The cubic root of 345863555 is about 701.9426006158.

The spelling of 345863555 in words is "three hundred forty-five million, eight hundred sixty-three thousand, five hundred fifty-five".