345153320055 has 24 divisors (see below), whose sum is σ = 598329714528. Its totient is φ = 184062090816.

The previous prime is 345153320051. The next prime is 345153320069. The reversal of 345153320055 is 550023351543.

345153320055 is a `hidden beast` number, since 3 + 4 + 51 + 533 + 20 + 0 + 55 = 666.

It is not a de Polignac number, because 345153320055 - 2² = 345153320051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345153320051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20569 + ... + 831101.

It is an arithmetic number, because the mean of its divisors is an integer number (24930404772).

Almost surely, 2^345153320055 is an apocalyptic number.

345153320055 is a deficient number, since it is larger than the sum of its proper divisors (253176394473).

345153320055 is a wasteful number, since it uses less digits than its factorization.

345153320055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820007 (or 820004 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

Adding to 345153320055 its reverse (550023351543), we get a palindrome (895176671598).

The spelling of 345153320055 in words is "three hundred forty-five billion, one hundred fifty-three million, three hundred twenty thousand, fifty-five".