345029854 has 32 divisors (see below), whose sum is σ = 612218880. Its totient is φ = 144299232.

The previous prime is 345029843. The next prime is 345029857. The reversal of 345029854 is 458920543.

It is a super-2 number, since 2×345029854² = 238091200302522632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) 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 (345029857) 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, 3822 + ... + 26545.

It is an arithmetic number, because the mean of its divisors is an integer number (19131840).

Almost surely, 2^345029854 is an apocalyptic number.

345029854 is a deficient number, since it is larger than the sum of its proper divisors (267189026).

345029854 is a wasteful number, since it uses less digits than its factorization.

345029854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30424.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 345029854 is about 18574.9792462872. The cubic root of 345029854 is about 701.3781380457.

The spelling of 345029854 in words is "three hundred forty-five million, twenty-nine thousand, eight hundred fifty-four".