245157215223 has 8 divisors (see below), whose sum is σ = 328178583936. Its totient is φ = 162786995000.

The previous prime is 245157215207. The next prime is 245157215249. The reversal of 245157215223 is 322512751542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245157215223 - 2⁴ = 245157215207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245157215263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162786243 + ... + 162787748.

It is an arithmetic number, because the mean of its divisors is an integer number (41022322992).

Almost surely, 2^245157215223 is an apocalyptic number.

245157215223 is a deficient number, since it is larger than the sum of its proper divisors (83021368713).

245157215223 is a wasteful number, since it uses less digits than its factorization.

245157215223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325574245.

The product of its digits is 168000, while the sum is 39.

Adding to 245157215223 its reverse (322512751542), we get a palindrome (567669966765).

The spelling of 245157215223 in words is "two hundred forty-five billion, one hundred fifty-seven million, two hundred fifteen thousand, two hundred twenty-three".