30143180 has 24 divisors (see below), whose sum is σ = 65484720. Its totient is φ = 11641280.

The previous prime is 30143173. The next prime is 30143189. The reversal of 30143180 is 8134103.

It is a happy number.

It is a super-2 number, since 2×30143180² = 1817222601024800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (30143189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25406 + ... + 26565.

It is an arithmetic number, because the mean of its divisors is an integer number (2728530).

Almost surely, 2^30143180 is an apocalyptic number.

It is an amenable number.

30143180 is an abundant number, since it is smaller than the sum of its proper divisors (35341540).

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

30143180 is a wasteful number, since it uses less digits than its factorization.

30143180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52009 (or 52007 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 30143180 is about 5490.2805028523. The cubic root of 30143180 is about 311.2167924228.

Adding to 30143180 its reverse (8134103), we get a palindrome (38277283).

The spelling of 30143180 in words is "thirty million, one hundred forty-three thousand, one hundred eighty".