245597238 has 32 divisors (see below), whose sum is σ = 546652800. Its totient is φ = 81733608.

The previous prime is 245597213. The next prime is 245597239. The reversal of 245597238 is 832795542.

245597238 is a `hidden beast` number, since 24 + 5 + 597 + 2 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 245597193 and 245597202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245597239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33553 + ... + 40211.

It is an arithmetic number, because the mean of its divisors is an integer number (17082900).

Almost surely, 2^245597238 is an apocalyptic number.

245597238 is an abundant number, since it is smaller than the sum of its proper divisors (301055562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245597238 is a wasteful number, since it uses less digits than its factorization.

245597238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353 (or 7347 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 245597238 is about 15671.5422980637. The cubic root of 245597238 is about 626.2405126032.

The spelling of 245597238 in words is "two hundred forty-five million, five hundred ninety-seven thousand, two hundred thirty-eight".