30143352 has 32 divisors (see below), whose sum is σ = 75542400. Its totient is φ = 10023264.

The previous prime is 30143339. The next prime is 30143353. The reversal of 30143352 is 25334103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143353) 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, 10399 + ... + 12977.

It is an arithmetic number, because the mean of its divisors is an integer number (2360700).

Almost surely, 2^30143352 is an apocalyptic number.

It is an amenable number.

30143352 is an abundant number, since it is smaller than the sum of its proper divisors (45399048).

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

30143352 is a wasteful number, since it uses less digits than its factorization.

30143352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075 (or 3071 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 30143352 is about 5490.2961668748. The cubic root of 30143352 is about 311.2173843664.

Adding to 30143352 its reverse (25334103), we get a palindrome (55477455).

Subtracting from 30143352 its reverse (25334103), we obtain a square (4809249 = 2193²).

The spelling of 30143352 in words is "thirty million, one hundred forty-three thousand, three hundred fifty-two".