201144430 has 32 divisors (see below), whose sum is σ = 390002688. Its totient is φ = 74474400.

The previous prime is 201144421. The next prime is 201144451. The reversal of 201144430 is 34441102.

It is a junction number, because it is equal to n+sod(n) for n = 201144398 and 201144407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6976 + ... + 21235.

It is an arithmetic number, because the mean of its divisors is an integer number (12187584).

Almost surely, 2^201144430 is an apocalyptic number.

201144430 is a deficient number, since it is larger than the sum of its proper divisors (188858258).

201144430 is a wasteful number, since it uses less digits than its factorization.

201144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28272.

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

The square root of 201144430 is about 14182.5396174310. The cubic root of 201144430 is about 585.9168713401.

Adding to 201144430 its reverse (34441102), we get a palindrome (235585532).

The spelling of 201144430 in words is "two hundred one million, one hundred forty-four thousand, four hundred thirty".