30845152 has 48 divisors (see below), whose sum is σ = 66679200. Its totient is φ = 13957632.

The previous prime is 30845149. The next prime is 30845153. The reversal of 30845152 is 25154803.

It is a self number, because there is not a number n which added to its sum of digits gives 30845152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30845153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21349 + ... + 22747.

It is an arithmetic number, because the mean of its divisors is an integer number (1389150).

Almost surely, 2^30845152 is an apocalyptic number.

30845152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30845152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33339600).

30845152 is an abundant number, since it is smaller than the sum of its proper divisors (35834048).

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

30845152 is a wasteful number, since it uses less digits than its factorization.

30845152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 30845152 is about 5553.8411932644. The cubic root of 30845152 is about 313.6141419070.

Adding to 30845152 its reverse (25154803), we get a palindrome (55999955).

The spelling of 30845152 in words is "thirty million, eight hundred forty-five thousand, one hundred fifty-two".