30644250002145 has 48 divisors (see below), whose sum is σ = 57217473610752. Its totient is φ = 15082477292160.

The previous prime is 30644250002143. The next prime is 30644250002203. The reversal of 30644250002145 is 54120005244603.

30644250002145 is a `hidden beast` number, since 3 + 0 + 6 + 4 + 4 + 2 + 500 + 0 + 2 + 145 = 666.

It is not a de Polignac number, because 30644250002145 - 2¹ = 30644250002143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30644250002143) 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, 4557841 + ... + 9058830.

It is an arithmetic number, because the mean of its divisors is an integer number (1192030700224).

Almost surely, 2^{30644250002145} is an apocalyptic number.

It is an amenable number.

30644250002145 is a deficient number, since it is larger than the sum of its proper divisors (26573223608607).

30644250002145 is a wasteful number, since it uses less digits than its factorization.

30644250002145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13620542 (or 13620539 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 30644250002145 its reverse (54120005244603), we get a palindrome (84764255246748).

The spelling of 30644250002145 in words is "thirty trillion, six hundred forty-four billion, two hundred fifty million, two thousand, one hundred forty-five".