345940055 has 16 divisors (see below), whose sum is σ = 441508320. Its totient is φ = 259310592.

The previous prime is 345940039. The next prime is 345940061. The reversal of 345940055 is 550049543.

It is a cyclic number.

It is not a de Polignac number, because 345940055 - 2⁴ = 345940039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345939997 and 345940024.

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, 10331 + ... + 28259.

It is an arithmetic number, because the mean of its divisors is an integer number (27594270).

Almost surely, 2^345940055 is an apocalyptic number.

345940055 is a deficient number, since it is larger than the sum of its proper divisors (95568265).

345940055 is a wasteful number, since it uses less digits than its factorization.

345940055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18178.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 345940055 is about 18599.4638363583. The cubic root of 345940055 is about 701.9943499733.

Adding to 345940055 its reverse (550049543), we get a palindrome (895989598).

The spelling of 345940055 in words is "three hundred forty-five million, nine hundred forty thousand, fifty-five".