215044145339 has 2 divisors, whose sum is σ = 215044145340. Its totient is φ = 215044145338.

The previous prime is 215044145263. The next prime is 215044145389. The reversal of 215044145339 is 933541440512.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215044145339 - 2³⁶ = 146324668603 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 215044145296 and 215044145305.

It is not a weakly prime, because it can be changed into another prime (215044145389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107522072669 + 107522072670.

It is an arithmetic number, because the mean of its divisors is an integer number (107522072670).

Almost surely, 2^215044145339 is an apocalyptic number.

215044145339 is a deficient number, since it is larger than the sum of its proper divisors (1).

215044145339 is an equidigital number, since it uses as much as digits as its factorization.

215044145339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 215044145339 in words is "two hundred fifteen billion, forty-four million, one hundred forty-five thousand, three hundred thirty-nine".