345185854 has 32 divisors (see below), whose sum is σ = 573116544. Its totient is φ = 154919520.

The previous prime is 345185851. The next prime is 345185861. The reversal of 345185854 is 458581543.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 345185854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345185851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315849 + ... + 316939.

It is an arithmetic number, because the mean of its divisors is an integer number (17909892).

Almost surely, 2^345185854 is an apocalyptic number.

345185854 is a deficient number, since it is larger than the sum of its proper divisors (227930690).

345185854 is a wasteful number, since it uses less digits than its factorization.

345185854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432.

The product of its digits is 384000, while the sum is 43.

The square root of 345185854 is about 18579.1779688984. The cubic root of 345185854 is about 701.4838279373.

The spelling of 345185854 in words is "three hundred forty-five million, one hundred eighty-five thousand, eight hundred fifty-four".