214515243 has 16 divisors (see below), whose sum is σ = 321632640. Its totient is φ = 141285672.

The previous prime is 214515241. The next prime is 214515247. The reversal of 214515243 is 342515412.

It is not a de Polignac number, because 214515243 - 2¹ = 214515241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (214515241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45621 + ... + 50102.

It is an arithmetic number, because the mean of its divisors is an integer number (20102040).

Almost surely, 2^214515243 is an apocalyptic number.

214515243 is a deficient number, since it is larger than the sum of its proper divisors (107117397).

214515243 is an equidigital number, since it uses as much as digits as its factorization.

214515243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95815 (or 95809 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 214515243 is about 14646.3388940718. The cubic root of 214515243 is about 598.6220629048.

The spelling of 214515243 in words is "two hundred fourteen million, five hundred fifteen thousand, two hundred forty-three".