201143334 has 48 divisors (see below), whose sum is σ = 469103616. Its totient is φ = 57330000.

The previous prime is 201143323. The next prime is 201143339. The reversal of 201143334 is 433341102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 201143334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201143339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220339 + ... + 221249.

It is an arithmetic number, because the mean of its divisors is an integer number (9772992).

Almost surely, 2^201143334 is an apocalyptic number.

201143334 is an abundant number, since it is smaller than the sum of its proper divisors (267960282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201143334 is a wasteful number, since it uses less digits than its factorization.

201143334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 201143334 is about 14182.5009783183. The cubic root of 201143334 is about 585.9158071528.

Adding to 201143334 its reverse (433341102), we get a palindrome (634484436).

The spelling of 201143334 in words is "two hundred one million, one hundred forty-three thousand, three hundred thirty-four".