245242150515 has 24 divisors (see below), whose sum is σ = 430207923600. Its totient is φ = 129219958464.

The previous prime is 245242150513. The next prime is 245242150567. The reversal of 245242150515 is 515051242542.

245242150515 is a `hidden beast` number, since 2 + 4 + 52 + 42 + 1 + 50 + 515 = 666.

It is not a de Polignac number, because 245242150515 - 2¹ = 245242150513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245242150515.

It is not an unprimeable number, because it can be changed into a prime (245242150513) 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, 32826540 + ... + 32834009.

It is an arithmetic number, because the mean of its divisors is an integer number (17925330150).

Almost surely, 2^245242150515 is an apocalyptic number.

245242150515 is a deficient number, since it is larger than the sum of its proper divisors (184965773085).

245242150515 is a wasteful number, since it uses less digits than its factorization.

245242150515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65660643 (or 65660640 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 245242150515 in words is "two hundred forty-five billion, two hundred forty-two million, one hundred fifty thousand, five hundred fifteen".