245159772253 has 32 divisors (see below), whose sum is σ = 270608532480. Its totient is φ = 220259343360.

The previous prime is 245159772217. The next prime is 245159772257. The reversal of 245159772253 is 352277951542.

It is a cyclic number.

It is not a de Polignac number, because 245159772253 - 2⁹ = 245159771741 is a prime.

It is a super-2 number, since 2×245159772253² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245159772253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245159772257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284078100 + ... + 284078962.

It is an arithmetic number, because the mean of its divisors is an integer number (8456516640).

Almost surely, 2^245159772253 is an apocalyptic number.

It is an amenable number.

245159772253 is a deficient number, since it is larger than the sum of its proper divisors (25448760227).

245159772253 is a wasteful number, since it uses less digits than its factorization.

245159772253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its digits is 5292000, while the sum is 52.

The spelling of 245159772253 in words is "two hundred forty-five billion, one hundred fifty-nine million, seven hundred seventy-two thousand, two hundred fifty-three".