2143453215 has 8 divisors (see below), whose sum is σ = 3429525168. Its totient is φ = 1143175040.

The previous prime is 2143453199. The next prime is 2143453231. The reversal of 2143453215 is 5123543412.

It is an interprime number because it is at equal distance from previous prime (2143453199) and next prime (2143453231).

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

It is not a de Polignac number, because 2143453215 - 2⁴ = 2143453199 is a prime.

It is a congruent 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, 71448426 + ... + 71448455.

It is an arithmetic number, because the mean of its divisors is an integer number (428690646).

Almost surely, 2^2143453215 is an apocalyptic number.

2143453215 is a deficient number, since it is larger than the sum of its proper divisors (1286071953).

2143453215 is a wasteful number, since it uses less digits than its factorization.

2143453215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142896889.

The product of its digits is 14400, while the sum is 30.

The square root of 2143453215 is about 46297.4428559505. The cubic root of 2143453215 is about 1289.3515189052.

Adding to 2143453215 its reverse (5123543412), we get a palindrome (7266996627).

The spelling of 2143453215 in words is "two billion, one hundred forty-three million, four hundred fifty-three thousand, two hundred fifteen".