245499994 has 8 divisors (see below), whose sum is σ = 368363520. Its totient is φ = 122712156.

The previous prime is 245499983. The next prime is 245499997. The reversal of 245499994 is 499994542.

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

It is not an unprimeable number, because it can be changed into a prime (245499997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9964 + ... + 24295.

It is an arithmetic number, because the mean of its divisors is an integer number (46045440).

Almost surely, 2^245499994 is an apocalyptic number.

245499994 is a deficient number, since it is larger than the sum of its proper divisors (122863526).

245499994 is a wasteful number, since it uses less digits than its factorization.

245499994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37844.

The product of its digits is 4199040, while the sum is 55.

The square root of 245499994 is about 15668.4394245247. The cubic root of 245499994 is about 626.1578485741.

It can be divided in two parts, 24549 and 9994, that added together give a palindrome (34543).

The spelling of 245499994 in words is "two hundred forty-five million, four hundred ninety-nine thousand, nine hundred ninety-four".