245114221455 has 36 divisors (see below), whose sum is σ = 451326832632. Its totient is φ = 123037720320.

The previous prime is 245114221441. The next prime is 245114221459. The reversal of 245114221455 is 554122411542.

245114221455 is a `hidden beast` number, since 2 + 45 + 1 + 142 + 21 + 455 = 666.

It is not a de Polignac number, because 245114221455 - 2⁵ = 245114221423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245114221459) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9410841 + ... + 9436850.

It is an arithmetic number, because the mean of its divisors is an integer number (12536856462).

Almost surely, 2^245114221455 is an apocalyptic number.

245114221455 is a deficient number, since it is larger than the sum of its proper divisors (206212611177).

245114221455 is a wasteful number, since it uses less digits than its factorization.

245114221455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18847736 (or 18847716 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

Adding to 245114221455 its reverse (554122411542), we get a palindrome (799236632997).

The spelling of 245114221455 in words is "two hundred forty-five billion, one hundred fourteen million, two hundred twenty-one thousand, four hundred fifty-five".