2153344145 has 8 divisors (see below), whose sum is σ = 2619410856. Its totient is φ = 1699076736.

The previous prime is 2153344133. The next prime is 2153344169. The reversal of 2153344145 is 5414433512.

It can be written as a sum of positive squares in 4 ways, for example, as 836597776 + 1316746369 = 28924^2 + 36287^2 .

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 2153344145 - 2⁴ = 2153344129 is a prime.

It is a Duffinian number.

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, 2949422 + ... + 2950151.

It is an arithmetic number, because the mean of its divisors is an integer number (327426357).

Almost surely, 2^2153344145 is an apocalyptic number.

It is an amenable number.

2153344145 is a deficient number, since it is larger than the sum of its proper divisors (466066711).

2153344145 is an equidigital number, since it uses as much as digits as its factorization.

2153344145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899651.

The product of its digits is 28800, while the sum is 32.

The square root of 2153344145 is about 46404.1393089022. The cubic root of 2153344145 is about 1291.3317067113.

Adding to 2153344145 its reverse (5414433512), we get a palindrome (7567777657).

The spelling of 2153344145 in words is "two billion, one hundred fifty-three million, three hundred forty-four thousand, one hundred forty-five".