245022040247 has 16 divisors (see below), whose sum is σ = 260176989600. Its totient is φ = 229950185472.

The previous prime is 245022040223. The next prime is 245022040271. The reversal of 245022040247 is 742040220542.

245022040247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245022040223) and next prime (245022040271).

It is a cyclic number.

It is not a de Polignac number, because 245022040247 - 2²⁴ = 245005263031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245022040297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13218728 + ... + 13237250.

It is an arithmetic number, because the mean of its divisors is an integer number (16261061850).

Almost surely, 2^245022040247 is an apocalyptic number.

245022040247 is a deficient number, since it is larger than the sum of its proper divisors (15154949353).

245022040247 is a wasteful number, since it uses less digits than its factorization.

245022040247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20722.

The product of its (nonzero) digits is 35840, while the sum is 32.

Adding to 245022040247 its reverse (742040220542), we get a palindrome (987062260789).

The spelling of 245022040247 in words is "two hundred forty-five billion, twenty-two million, forty thousand, two hundred forty-seven".