210450144243 has 32 divisors (see below), whose sum is σ = 292150034176. Its totient is φ = 134649744768.

The previous prime is 210450144211. The next prime is 210450144263. The reversal of 210450144243 is 342441054012.

It is not a de Polignac number, because 210450144243 - 2⁵ = 210450144211 is a prime.

It is a super-3 number, since 3×210450144243³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210450144243.

It is not an unprimeable number, because it can be changed into a prime (210450144263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3400605 + ... + 3461937.

It is an arithmetic number, because the mean of its divisors is an integer number (9129688568).

Almost surely, 2^210450144243 is an apocalyptic number.

210450144243 is a deficient number, since it is larger than the sum of its proper divisors (81699889933).

210450144243 is a wasteful number, since it uses less digits than its factorization.

210450144243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61843.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 210450144243 its reverse (342441054012), we get a palindrome (552891198255).

The spelling of 210450144243 in words is "two hundred ten billion, four hundred fifty million, one hundred forty-four thousand, two hundred forty-three".