201143044 has 12 divisors (see below), whose sum is σ = 370526800. Its totient is φ = 95278248.

The previous prime is 201143029. The next prime is 201143081. The reversal of 201143044 is 440341102.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323234 + ... + 1323385.

Almost surely, 2^201143044 is an apocalyptic number.

It is an amenable number.

201143044 is a deficient number, since it is larger than the sum of its proper divisors (169383756).

201143044 is a wasteful number, since it uses less digits than its factorization.

201143044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646642 (or 2646640 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 201143044 is about 14182.4907544479. The cubic root of 201143044 is about 585.9155255697.

Adding to 201143044 its reverse (440341102), we get a palindrome (641484146).

The spelling of 201143044 in words is "two hundred one million, one hundred forty-three thousand, forty-four".