30200144 has 20 divisors (see below), whose sum is σ = 63014196. Its totient is φ = 13938432.

The previous prime is 30200141. The next prime is 30200167. The reversal of 30200144 is 44100203.

It can be written as a sum of positive squares in 2 ways, for example, as 6190144 + 24010000 = 2488^2 + 4900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72389 + ... + 72804.

Almost surely, 2^30200144 is an apocalyptic number.

It is an amenable number.

30200144 is an abundant number, since it is smaller than the sum of its proper divisors (32814052).

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

30200144 is a wasteful number, since it uses less digits than its factorization.

30200144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145214 (or 145208 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 30200144 is about 5495.4657673395. The cubic root of 30200144 is about 311.4127128890.

Adding to 30200144 its reverse (44100203), we get a palindrome (74300347).

The spelling of 30200144 in words is "thirty million, two hundred thousand, one hundred forty-four".