30105300145 has 8 divisors (see below), whose sum is σ = 36229876200. Its totient is φ = 24015229440.

The previous prime is 30105300109. The next prime is 30105300149. The reversal of 30105300145 is 54100350103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8962976929 + 21142323216 = 94673^2 + 145404^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30105300145 - 2²⁵ = 30071745713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30105300149) 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, 8624416 + ... + 8627905.

It is an arithmetic number, because the mean of its divisors is an integer number (4528734525).

Almost surely, 2^30105300145 is an apocalyptic number.

It is an amenable number.

30105300145 is a deficient number, since it is larger than the sum of its proper divisors (6124576055).

30105300145 is a wasteful number, since it uses less digits than its factorization.

30105300145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17252675.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 30105300145 its reverse (54100350103), we get a palindrome (84205650248).

The spelling of 30105300145 in words is "thirty billion, one hundred five million, three hundred thousand, one hundred forty-five".