245144033 has 4 divisors (see below), whose sum is σ = 245276928. Its totient is φ = 245011140.

The previous prime is 245144021. The next prime is 245144041. The reversal of 245144033 is 330441542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330441542 = 2 ⋅165220771.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245144033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245143993 and 245144011.

It is not an unprimeable number, because it can be changed into a prime (245143033) 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, 63641 + ... + 67382.

It is an arithmetic number, because the mean of its divisors is an integer number (61319232).

Almost surely, 2^245144033 is an apocalyptic number.

It is an amenable number.

245144033 is a deficient number, since it is larger than the sum of its proper divisors (132895).

245144033 is a wasteful number, since it uses less digits than its factorization.

245144033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132894.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 245144033 is about 15657.0761318964. The cubic root of 245144033 is about 625.8550711252.

Adding to 245144033 its reverse (330441542), we get a palindrome (575585575).

The spelling of 245144033 in words is "two hundred forty-five million, one hundred forty-four thousand, thirty-three".