2155345307 has 8 divisors (see below), whose sum is σ = 2180610720. Its totient is φ = 2130103360.

The previous prime is 2155345301. The next prime is 2155345327. The reversal of 2155345307 is 7035435512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2155345307 - 2²⁶ = 2088236443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2155345301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236813 + ... + 245745.

It is an arithmetic number, because the mean of its divisors is an integer number (272576340).

Almost surely, 2^2155345307 is an apocalyptic number.

2155345307 is a deficient number, since it is larger than the sum of its proper divisors (25265413).

2155345307 is an equidigital number, since it uses as much as digits as its factorization.

2155345307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11733.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 2155345307 is about 46425.6966237449. The cubic root of 2155345307 is about 1291.7316062270.

The spelling of 2155345307 in words is "two billion, one hundred fifty-five million, three hundred forty-five thousand, three hundred seven".