30141142 has 8 divisors (see below), whose sum is σ = 45283536. Its totient is φ = 15046632.

The previous prime is 30141131. The next prime is 30141143. The reversal of 30141142 is 24114103.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30141143) 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, 10353 + ... + 12940.

It is an arithmetic number, because the mean of its divisors is an integer number (5660442).

Almost surely, 2^30141142 is an apocalyptic number.

30141142 is a deficient number, since it is larger than the sum of its proper divisors (15142394).

30141142 is a wasteful number, since it uses less digits than its factorization.

30141142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23942.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 30141142 is about 5490.0948989976. The cubic root of 30141142 is about 311.2097784082.

Adding to 30141142 its reverse (24114103), we get a palindrome (54255245).

The spelling of 30141142 in words is "thirty million, one hundred forty-one thousand, one hundred forty-two".