30232142 has 8 divisors (see below), whose sum is σ = 46025256. Its totient is φ = 14890392.

The previous prime is 30232141. The next prime is 30232151. The reversal of 30232142 is 24123203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30232142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112673 + ... + 112940.

It is an arithmetic number, because the mean of its divisors is an integer number (5753157).

Almost surely, 2^30232142 is an apocalyptic number.

30232142 is a deficient number, since it is larger than the sum of its proper divisors (15793114).

30232142 is a wasteful number, since it uses less digits than its factorization.

30232142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225682.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30232142 is about 5498.3763057834. The cubic root of 30232142 is about 311.5226579144.

Adding to 30232142 its reverse (24123203), we get a palindrome (54355345).

The spelling of 30232142 in words is "thirty million, two hundred thirty-two thousand, one hundred forty-two".