201030144 has 120 divisors (see below), whose sum is σ = 623227968. Its totient is φ = 57415680.

The previous prime is 201030079. The next prime is 201030149. The reversal of 201030144 is 441030102.

It is not an unprimeable number, because it can be changed into a prime (201030149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73929 + ... + 76599.

Almost surely, 2^201030144 is an apocalyptic number.

201030144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201030144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311613984).

201030144 is an abundant number, since it is smaller than the sum of its proper divisors (422197824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201030144 is an equidigital number, since it uses as much as digits as its factorization.

201030144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201030144 is about 14178.5099358148. The cubic root of 201030144 is about 585.8058818027.

Adding to 201030144 its reverse (441030102), we get a palindrome (642060246).

The spelling of 201030144 in words is "two hundred one million, thirty thousand, one hundred forty-four".