215012314445 has 8 divisors (see below), whose sum is σ = 258026797080. Its totient is φ = 172001838400.

The previous prime is 215012314427. The next prime is 215012314453. The reversal of 215012314445 is 544413210512.

It can be written as a sum of positive squares in 4 ways, for example, as 73204336969 + 141807977476 = 270563^2 + 376574^2 .

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

It is not a de Polignac number, because 215012314445 - 2¹⁰ = 215012313421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882290 + ... + 1099299.

It is an arithmetic number, because the mean of its divisors is an integer number (32253349635).

Almost surely, 2^215012314445 is an apocalyptic number.

It is an amenable number.

215012314445 is a deficient number, since it is larger than the sum of its proper divisors (43014482635).

215012314445 is a wasteful number, since it uses less digits than its factorization.

215012314445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003295.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 215012314445 its reverse (544413210512), we get a palindrome (759425524957).

The spelling of 215012314445 in words is "two hundred fifteen billion, twelve million, three hundred fourteen thousand, four hundred forty-five".