30144790 has 32 divisors (see below), whose sum is σ = 58677696. Its totient is φ = 11084160.

The previous prime is 30144767. The next prime is 30144817. The reversal of 30144790 is 9744103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59679 + ... + 60181.

It is an arithmetic number, because the mean of its divisors is an integer number (1833678).

Almost surely, 2^30144790 is an apocalyptic number.

30144790 is a deficient number, since it is larger than the sum of its proper divisors (28532906).

30144790 is a wasteful number, since it uses less digits than its factorization.

30144790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 30144790 is about 5490.4271236398. The cubic root of 30144790 is about 311.2223332020. Note that the first 3 decimals are identical.

Adding to 30144790 its reverse (9744103), we get a palindrome (39888893).

The spelling of 30144790 in words is "thirty million, one hundred forty-four thousand, seven hundred ninety".