245231236 has 24 divisors (see below), whose sum is σ = 445173344. Its totient is φ = 118117440.

The previous prime is 245231213. The next prime is 245231243. The reversal of 245231236 is 632132542.

It is a super-2 number, since 2×245231236² = 120276718220175392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2791 + ... + 22321.

Almost surely, 2^245231236 is an apocalyptic number.

It is an amenable number.

245231236 is a deficient number, since it is larger than the sum of its proper divisors (199942108).

245231236 is a wasteful number, since it uses less digits than its factorization.

245231236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19651 (or 19649 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 245231236 is about 15659.8606634925. The cubic root of 245231236 is about 625.9292723598.

Adding to 245231236 its reverse (632132542), we get a palindrome (877363778).

The spelling of 245231236 in words is "two hundred forty-five million, two hundred thirty-one thousand, two hundred thirty-six".