2143451153 has 2 divisors, whose sum is σ = 2143451154. Its totient is φ = 2143451152.

The previous prime is 2143451131. The next prime is 2143451183. The reversal of 2143451153 is 3511543412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1328748304 + 814702849 = 36452^2 + 28543^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143451153 - 2²² = 2139256849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143451183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071725576 + 1071725577.

It is an arithmetic number, because the mean of its divisors is an integer number (1071725577).

Almost surely, 2^2143451153 is an apocalyptic number.

It is an amenable number.

2143451153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143451153 is an equidigital number, since it uses as much as digits as its factorization.

2143451153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 2143451153 is about 46297.4205868966. The cubic root of 2143451153 is about 1289.3511054534.

Adding to 2143451153 its reverse (3511543412), we get a palindrome (5654994565).

The spelling of 2143451153 in words is "two billion, one hundred forty-three million, four hundred fifty-one thousand, one hundred fifty-three".