30146339652 has 144 divisors (see below), whose sum is σ = 83239011072. Its totient is φ = 8417735040.

The previous prime is 30146339567. The next prime is 30146339653. The reversal of 30146339652 is 25693364103.

It is a happy number.

It is a super-2 number, since 2×30146339652² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30146339653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21124963 + ... + 21126389.

It is an arithmetic number, because the mean of its divisors is an integer number (578048688).

Almost surely, 2^30146339652 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 30146339652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41619505536).

30146339652 is an abundant number, since it is smaller than the sum of its proper divisors (53092671420).

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

30146339652 is a wasteful number, since it uses less digits than its factorization.

30146339652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 42.

The spelling of 30146339652 in words is "thirty billion, one hundred forty-six million, three hundred thirty-nine thousand, six hundred fifty-two".