30450244 has 12 divisors (see below), whose sum is σ = 58132368. Its totient is φ = 13841000.

The previous prime is 30450241. The next prime is 30450257. The reversal of 30450244 is 44205403.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (30450241) 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, 345982 + ... + 346069.

It is an arithmetic number, because the mean of its divisors is an integer number (4844364).

Almost surely, 2^30450244 is an apocalyptic number.

It is an amenable number.

30450244 is a deficient number, since it is larger than the sum of its proper divisors (27682124).

30450244 is a wasteful number, since it uses less digits than its factorization.

30450244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692066 (or 692064 counting only the distinct ones).

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

The square root of 30450244 is about 5518.1739733357. The cubic root of 30450244 is about 312.2699969437.

Subtracting from 30450244 its product of nonzero digits (1920), we obtain a square (30448324 = 5518²).

Adding to 30450244 its reverse (44205403), we get a palindrome (74655647).

The spelling of 30450244 in words is "thirty million, four hundred fifty thousand, two hundred forty-four".