30044252545 has 4 divisors (see below), whose sum is σ = 36053103060. Its totient is φ = 24035402032.

The previous prime is 30044252543. The next prime is 30044252597. The reversal of 30044252545 is 54525244003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9462620176 + 20581632369 = 97276^2 + 143463^2 .

It is a cyclic number.

It is not a de Polignac number, because 30044252545 - 2¹ = 30044252543 is a prime.

It is a super-2 number, since 2×30044252545² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30044252545.

It is not an unprimeable number, because it can be changed into a prime (30044252543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3004425250 + ... + 3004425259.

It is an arithmetic number, because the mean of its divisors is an integer number (9013275765).

Almost surely, 2^30044252545 is an apocalyptic number.

It is an amenable number.

30044252545 is a deficient number, since it is larger than the sum of its proper divisors (6008850515).

30044252545 is an equidigital number, since it uses as much as digits as its factorization.

30044252545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6008850514.

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 30044252545 its reverse (54525244003), we get a palindrome (84569496548).

The spelling of 30044252545 in words is "thirty billion, forty-four million, two hundred fifty-two thousand, five hundred forty-five".