201244144 has 10 divisors (see below), whose sum is σ = 389910560. Its totient is φ = 100622064.

The previous prime is 201244139. The next prime is 201244159. The reversal of 201244144 is 441442102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288864 + ... + 6288895.

It is an arithmetic number, because the mean of its divisors is an integer number (38991056).

Almost surely, 2^201244144 is an apocalyptic number.

It is an amenable number.

201244144 is a deficient number, since it is larger than the sum of its proper divisors (188666416).

201244144 is a wasteful number, since it uses less digits than its factorization.

201244144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12577767 (or 12577761 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 201244144 is about 14186.0545607297. The cubic root of 201244144 is about 586.0136748547.

Adding to 201244144 its reverse (441442102), we get a palindrome (642686246).

The spelling of 201244144 in words is "two hundred one million, two hundred forty-four thousand, one hundred forty-four".