30143300 has 72 divisors (see below), whose sum is σ = 72599520. Its totient is φ = 10771200.

The previous prime is 30143299. The next prime is 30143303. The reversal of 30143300 is 334103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30143303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73496 + ... + 73904.

Almost surely, 2^30143300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30143300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36299760).

30143300 is an abundant number, since it is smaller than the sum of its proper divisors (42456220).

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

30143300 is a wasteful number, since it uses less digits than its factorization.

30143300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30143300 is about 5490.2914312448. The cubic root of 30143300 is about 311.2172054070.

Adding to 30143300 its reverse (334103), we get a palindrome (30477403).

The spelling of 30143300 in words is "thirty million, one hundred forty-three thousand, three hundred".