245182435281 has 243 divisors, whose sum is σ = 468291771441. Its totient is φ = 123211404288.

The previous prime is 245182435231. The next prime is 245182435321. The reversal of 245182435281 is 182534281542.

The square root of 245182435281 is 495159.

It is a perfect power (a square), and thus also a powerful number.

245182435281 is a `hidden beast` number, since 2 + 4 + 5 + 1 + 82 + 43 + 528 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 30961569681 + 214220865600 = 175959^2 + 462840^2 .

It is not a de Polignac number, because 245182435281 - 2⁷ = 245182435153 is a prime.

It is a super-2 number, since 2×245182435281² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245182435231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 3358663461 + ... + 3358663533.

Almost surely, 2^245182435281 is an apocalyptic number.

245182435281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

245182435281 is the 495159-th square number.

245182435281 is the 247580-th centered octagonal number.

It is an amenable number.

245182435281 is a deficient number, since it is larger than the sum of its proper divisors (223109336160).

245182435281 is a wasteful number, since it uses less digits than its factorization.

245182435281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 119 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The spelling of 245182435281 in words is "two hundred forty-five billion, one hundred eighty-two million, four hundred thirty-five thousand, two hundred eighty-one".