15145305233 has 2 divisors, whose sum is σ = 15145305234. Its totient is φ = 15145305232.

The previous prime is 15145305221. The next prime is 15145305269. The reversal of 15145305233 is 33250354151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12865911184 + 2279394049 = 113428^2 + 47743^2 .

It is a cyclic number.

It is not a de Polignac number, because 15145305233 - 2¹² = 15145301137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15145305233.

It is not a weakly prime, because it can be changed into another prime (15145305283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7572652616 + 7572652617.

It is an arithmetic number, because the mean of its divisors is an integer number (7572652617).

Almost surely, 2^15145305233 is an apocalyptic number.

It is an amenable number.

15145305233 is a deficient number, since it is larger than the sum of its proper divisors (1).

15145305233 is an equidigital number, since it uses as much as digits as its factorization.

15145305233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 15145305233 its reverse (33250354151), we get a palindrome (48395659384).

The spelling of 15145305233 in words is "fifteen billion, one hundred forty-five million, three hundred five thousand, two hundred thirty-three".