30154852 has 48 divisors (see below), whose sum is σ = 66734080. Its totient is φ = 11601792.

The previous prime is 30154829. The next prime is 30154879. The reversal of 30154852 is 25845103.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 30154852.

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, 12349 + ... + 14587.

Almost surely, 2^30154852 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 30154852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33367040).

30154852 is an abundant number, since it is smaller than the sum of its proper divisors (36579228).

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

30154852 is a wasteful number, since it uses less digits than its factorization.

30154852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300 (or 2298 counting only the distinct ones).

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

The square root of 30154852 is about 5491.3433693405. The cubic root of 30154852 is about 311.2569568828.

Adding to 30154852 its reverse (25845103), we get a palindrome (55999955).

The spelling of 30154852 in words is "thirty million, one hundred fifty-four thousand, eight hundred fifty-two".