2154313155 has 8 divisors (see below), whose sum is σ = 3446901072. Its totient is φ = 1148967008.

The previous prime is 2154313153. The next prime is 2154313159. The reversal of 2154313155 is 5513134512.

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 2154313155 - 2¹ = 2154313153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2154313153) 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, 71810424 + ... + 71810453.

It is an arithmetic number, because the mean of its divisors is an integer number (430862634).

Almost surely, 2^2154313155 is an apocalyptic number.

2154313155 is a deficient number, since it is larger than the sum of its proper divisors (1292587917).

2154313155 is a wasteful number, since it uses less digits than its factorization.

2154313155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143620885.

The product of its digits is 9000, while the sum is 30.

The square root of 2154313155 is about 46414.5791212201. The cubic root of 2154313155 is about 1291.5253784457.

Adding to 2154313155 its reverse (5513134512), we get a palindrome (7667447667).

The spelling of 2154313155 in words is "two billion, one hundred fifty-four million, three hundred thirteen thousand, one hundred fifty-five".