254252347245 has 48 divisors (see below), whose sum is σ = 475472629632. Its totient is φ = 124941398400.

The previous prime is 254252347241. The next prime is 254252347289. The reversal of 254252347245 is 542743252452.

254252347245 is a `hidden beast` number, since 2 + 5 + 42 + 523 + 47 + 2 + 45 = 666.

It is not a de Polignac number, because 254252347245 - 2² = 254252347241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 254252347245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254252347241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77281 + ... + 717270.

It is an arithmetic number, because the mean of its divisors is an integer number (9905679784).

Almost surely, 2^254252347245 is an apocalyptic number.

It is an amenable number.

254252347245 is a deficient number, since it is larger than the sum of its proper divisors (221220282387).

254252347245 is a wasteful number, since it uses less digits than its factorization.

254252347245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795122 (or 795119 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 45.

Adding to 254252347245 its reverse (542743252452), we get a palindrome (796995599697).

The spelling of 254252347245 in words is "two hundred fifty-four billion, two hundred fifty-two million, three hundred forty-seven thousand, two hundred forty-five".