245054122122015 has 24 divisors (see below), whose sum is σ = 434638629007440. Its totient is φ = 127656100825344.

The previous prime is 245054122122013. The next prime is 245054122122071. The reversal of 245054122122015 is 510221221450542.

It is a happy number.

245054122122015 is a `hidden beast` number, since 2 + 4 + 5 + 0 + 5 + 412 + 2 + 1 + 220 + 15 = 666.

It is not a de Polignac number, because 245054122122015 - 2¹ = 245054122122013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245054122122011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63321476650 + ... + 63321480519.

It is an arithmetic number, because the mean of its divisors is an integer number (18109942875310).

Almost surely, 2^{245054122122015} is an apocalyptic number.

245054122122015 is a deficient number, since it is larger than the sum of its proper divisors (189584506885425).

245054122122015 is a wasteful number, since it uses less digits than its factorization.

245054122122015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126642957223 (or 126642957220 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 245054122122015 its reverse (510221221450542), we get a palindrome (755275343572557).

The spelling of 245054122122015 in words is "two hundred forty-five trillion, fifty-four billion, one hundred twenty-two million, one hundred twenty-two thousand, fifteen".