200102144 has 36 divisors (see below), whose sum is σ = 435739920. Its totient is φ = 90954240.

The previous prime is 200102113. The next prime is 200102153. The reversal of 200102144 is 441201002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32714 + ... + 38345.

Almost surely, 2^200102144 is an apocalyptic number.

It is an amenable number.

200102144 is an abundant number, since it is smaller than the sum of its proper divisors (235637776).

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

200102144 is an equidigital number, since it uses as much as digits as its factorization.

200102144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71086 (or 71072 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 200102144 is about 14145.7464985062. The cubic root of 200102144 is about 584.9030876548.

Adding to 200102144 its reverse (441201002), we get a palindrome (641303146).

The spelling of 200102144 in words is "two hundred million, one hundred two thousand, one hundred forty-four".