30244142 has 16 divisors (see below), whose sum is σ = 46678464. Its totient is φ = 14688000.

The previous prime is 30244141. The next prime is 30244153. The reversal of 30244142 is 24144203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30244141) 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, 21542 + ... + 22902.

It is an arithmetic number, because the mean of its divisors is an integer number (2917404).

Almost surely, 2^30244142 is an apocalyptic number.

30244142 is a deficient number, since it is larger than the sum of its proper divisors (16434322).

30244142 is a wasteful number, since it uses less digits than its factorization.

30244142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 30244142 is about 5499.4674287607. The cubic root of 30244142 is about 311.5638698734.

Adding to 30244142 its reverse (24144203), we get a palindrome (54388345).

It can be divided in two parts, 302 and 44142, that added together give a palindrome (44444).

The spelling of 30244142 in words is "thirty million, two hundred forty-four thousand, one hundred forty-two".