201132544 has 20 divisors (see below), whose sum is σ = 401873274. Its totient is φ = 100566016.

The previous prime is 201132527. The next prime is 201132551. The reversal of 201132544 is 445231102.

It can be written as a sum of positive squares in only one way, i.e., 110502144 + 90630400 = 10512^2 + 9520^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195907 + ... + 196930.

Almost surely, 2^201132544 is an apocalyptic number.

It is an amenable number.

201132544 is a deficient number, since it is larger than the sum of its proper divisors (200740730).

201132544 is an frugal number, since it uses more digits than its factorization.

201132544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392855 (or 392839 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 201132544 is about 14182.1205748647. The cubic root of 201132544 is about 585.9053301388.

Adding to 201132544 its reverse (445231102), we get a palindrome (646363646).

The spelling of 201132544 in words is "two hundred one million, one hundred thirty-two thousand, five hundred forty-four".