30146512 has 40 divisors (see below), whose sum is σ = 64183392. Its totient is φ = 13603200.

The previous prime is 30146471. The next prime is 30146531. The reversal of 30146512 is 21564103.

It is a super-2 number, since 2×30146512² = 1817624371532288, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27087 + ... + 28177.

Almost surely, 2^30146512 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 30146512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32091696).

30146512 is an abundant number, since it is smaller than the sum of its proper divisors (34036880).

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

30146512 is a wasteful number, since it uses less digits than its factorization.

30146512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 30146512 is about 5490.5839398009. The cubic root of 30146512 is about 311.2282592084.

The spelling of 30146512 in words is "thirty million, one hundred forty-six thousand, five hundred twelve".