245133994 has 8 divisors (see below), whose sum is σ = 420229728. Its totient is φ = 105057420.

The previous prime is 245133989. The next prime is 245133997. The reversal of 245133994 is 499331542.

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 (245133997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8754772 + ... + 8754799.

It is an arithmetic number, because the mean of its divisors is an integer number (52528716).

Almost surely, 2^245133994 is an apocalyptic number.

245133994 is a deficient number, since it is larger than the sum of its proper divisors (175095734).

245133994 is a wasteful number, since it uses less digits than its factorization.

245133994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17509580.

The product of its digits is 116640, while the sum is 40.

The square root of 245133994 is about 15656.7555387443. The cubic root of 245133994 is about 625.8465277875.

The spelling of 245133994 in words is "two hundred forty-five million, one hundred thirty-three thousand, nine hundred ninety-four".