30052142 has 16 divisors (see below), whose sum is σ = 45858960. Its totient is φ = 14767872.

The previous prime is 30052133. The next prime is 30052157. The reversal of 30052142 is 24125003.

It is a self number, because there is not a number n which added to its sum of digits gives 30052142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44318 + ... + 44990.

It is an arithmetic number, because the mean of its divisors is an integer number (2866185).

Almost surely, 2^30052142 is an apocalyptic number.

30052142 is a deficient number, since it is larger than the sum of its proper divisors (15806818).

30052142 is a wasteful number, since it uses less digits than its factorization.

30052142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 30052142 is about 5481.9834001938. The cubic root of 30052142 is about 310.9031656423.

Adding to 30052142 its reverse (24125003), we get a palindrome (54177145).

The spelling of 30052142 in words is "thirty million, fifty-two thousand, one hundred forty-two".