201045044 has 18 divisors (see below), whose sum is σ = 363551202. Its totient is φ = 97278000.

The previous prime is 201045011. The next prime is 201045067. The reversal of 201045044 is 440540102.

It can be written as a sum of positive squares in only one way, i.e., 196336144 + 4708900 = 14012^2 + 2170^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22307 + ... + 29994.

It is an arithmetic number, because the mean of its divisors is an integer number (20197289).

Almost surely, 2^201045044 is an apocalyptic number.

It is an amenable number.

201045044 is a deficient number, since it is larger than the sum of its proper divisors (162506158).

201045044 is a wasteful number, since it uses less digits than its factorization.

201045044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52367 (or 52334 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 201045044 is about 14179.0353691639. The cubic root of 201045044 is about 585.8203544117.

Adding to 201045044 its reverse (440540102), we get a palindrome (641585146).

The spelling of 201045044 in words is "two hundred one million, forty-five thousand, forty-four".