30144299 has 4 divisors (see below), whose sum is σ = 30159864. Its totient is φ = 30128736.

The previous prime is 30144293. The next prime is 30144319. The reversal of 30144299 is 99244103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30144299 - 2²⁰ = 29095723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30144293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4382 + ... + 8915.

It is an arithmetic number, because the mean of its divisors is an integer number (7539966).

Almost surely, 2^30144299 is an apocalyptic number.

30144299 is a deficient number, since it is larger than the sum of its proper divisors (15565).

30144299 is a wasteful number, since it uses less digits than its factorization.

30144299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15564.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 30144299 is about 5490.3824092680. The cubic root of 30144299 is about 311.2206434574.

The spelling of 30144299 in words is "thirty million, one hundred forty-four thousand, two hundred ninety-nine".