2162261545 has 8 divisors (see below), whose sum is σ = 2595067200. Its totient is φ = 1729573680.

The previous prime is 2162261539. The next prime is 2162261551. The reversal of 2162261545 is 5451622612.

It is an interprime number because it is at equal distance from previous prime (2162261539) and next prime (2162261551).

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

It is not a de Polignac number, because 2162261545 - 2⁵ = 2162261513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2162261545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17850 + ... + 68140.

It is an arithmetic number, because the mean of its divisors is an integer number (324383400).

Almost surely, 2^2162261545 is an apocalyptic number.

It is an amenable number.

2162261545 is a deficient number, since it is larger than the sum of its proper divisors (432805655).

2162261545 is an equidigital number, since it uses as much as digits as its factorization.

2162261545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58895.

The product of its digits is 28800, while the sum is 34.

The square root of 2162261545 is about 46500.1241396192. The cubic root of 2162261545 is about 1293.1118002710. Note that the first 3 decimals are identical.

The spelling of 2162261545 in words is "two billion, one hundred sixty-two million, two hundred sixty-one thousand, five hundred forty-five".