30044542 has 48 divisors (see below), whose sum is σ = 53721360. Its totient is φ = 12545280.

The previous prime is 30044527. The next prime is 30044543. The reversal of 30044542 is 24544003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30044543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275584 + ... + 275692.

It is an arithmetic number, because the mean of its divisors is an integer number (1119195).

Almost surely, 2^30044542 is an apocalyptic number.

30044542 is a deficient number, since it is larger than the sum of its proper divisors (23676818).

30044542 is a wasteful number, since it uses less digits than its factorization.

30044542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 30044542 is about 5481.2901765916. The cubic root of 30044542 is about 310.8769549397.

Adding to 30044542 its reverse (24544003), we get a palindrome (54588545).

The spelling of 30044542 in words is "thirty million, forty-four thousand, five hundred forty-two".