30144404 has 12 divisors (see below), whose sum is σ = 52923444. Its totient is φ = 15023424.

The previous prime is 30144403. The next prime is 30144407. The reversal of 30144404 is 40444103.

It can be written as a sum of positive squares in 2 ways, for example, as 12588304 + 17556100 = 3548^2 + 4190^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144403) 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, 10787 + ... + 13290.

It is an arithmetic number, because the mean of its divisors is an integer number (4410287).

Almost surely, 2^30144404 is an apocalyptic number.

It is an amenable number.

30144404 is a deficient number, since it is larger than the sum of its proper divisors (22779040).

30144404 is a wasteful number, since it uses less digits than its factorization.

30144404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24394 (or 24392 counting only the distinct ones).

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

The square root of 30144404 is about 5490.3919714352. The cubic root of 30144404 is about 311.2210048096.

Adding to 30144404 its reverse (40444103), we get a palindrome (70588507).

The spelling of 30144404 in words is "thirty million, one hundred forty-four thousand, four hundred four".