245685538 has 8 divisors (see below), whose sum is σ = 421175232. Its totient is φ = 105293796.

The previous prime is 245685527. The next prime is 245685541. The reversal of 245685538 is 835586542.

245685538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×245685538² = 120722767164698888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8774470 + ... + 8774497.

It is an arithmetic number, because the mean of its divisors is an integer number (52646904).

Almost surely, 2^245685538 is an apocalyptic number.

245685538 is a deficient number, since it is larger than the sum of its proper divisors (175489694).

245685538 is a wasteful number, since it uses less digits than its factorization.

245685538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17548976.

The product of its digits is 1152000, while the sum is 46.

The square root of 245685538 is about 15674.3592532518. The cubic root of 245685538 is about 626.3155547224.

The spelling of 245685538 in words is "two hundred forty-five million, six hundred eighty-five thousand, five hundred thirty-eight".