30250144 has 24 divisors (see below), whose sum is σ = 60535188. Its totient is φ = 14876160.

The previous prime is 30250139. The next prime is 30250151. The reversal of 30250144 is 44105203.

It can be written as a sum of positive squares in 2 ways, for example, as 30250000 + 144 = 5500^2 + 12^2 .

It is an unprimeable number.

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, 5797 + ... + 9700.

Almost surely, 2^30250144 is an apocalyptic number.

It is an amenable number.

30250144 is an abundant number, since it is smaller than the sum of its proper divisors (30285044).

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

30250144 is a wasteful number, since it uses less digits than its factorization.

30250144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15568 (or 15560 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 30250144 is about 5500.0130908935. The cubic root of 30250144 is about 311.5844786320.

Adding to 30250144 its reverse (44105203), we get a palindrome (74355347).

The spelling of 30250144 in words is "thirty million, two hundred fifty thousand, one hundred forty-four".