30350144 has 56 divisors (see below), whose sum is σ = 69189600. Its totient is φ = 13063680.

The previous prime is 30350137. The next prime is 30350171. The reversal of 30350144 is 44105303.

It is a super-2 number, since 2×30350144² = 1842262481641472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12242 + ... + 14510.

Almost surely, 2^30350144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30350144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34594800).

30350144 is an abundant number, since it is smaller than the sum of its proper divisors (38839456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30350144 is a wasteful number, since it uses less digits than its factorization.

30350144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311 (or 2301 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30350144 is about 5509.0964776450. The cubic root of 30350144 is about 311.9274431323.

Adding to 30350144 its reverse (44105303), we get a palindrome (74455447).

The spelling of 30350144 in words is "thirty million, three hundred fifty thousand, one hundred forty-four".