30132243 has 12 divisors (see below), whose sum is σ = 45136728. Its totient is φ = 20088000.

The previous prime is 30132209. The next prime is 30132251. The reversal of 30132243 is 34223103.

30132243 is a `hidden beast` number, since 301 + 322 + 43 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-30132243 is a prime.

It is a super-2 number, since 2×30132243² = 1815904136422098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30132203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61758 + ... + 62243.

It is an arithmetic number, because the mean of its divisors is an integer number (3761394).

Almost surely, 2^30132243 is an apocalyptic number.

30132243 is a deficient number, since it is larger than the sum of its proper divisors (15004485).

30132243 is an equidigital number, since it uses as much as digits as its factorization.

30132243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124016 (or 124004 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30132243 is about 5489.2843795890. The cubic root of 30132243 is about 311.1791477570.

Adding to 30132243 its reverse (34223103), we get a palindrome (64355346).

The spelling of 30132243 in words is "thirty million, one hundred thirty-two thousand, two hundred forty-three".