245441145405 has 16 divisors (see below), whose sum is σ = 392754551040. Its totient is φ = 130885704768.

The previous prime is 245441145403. The next prime is 245441145413. The reversal of 245441145405 is 504541144542.

It is not a de Polignac number, because 245441145405 - 2¹ = 245441145403 is a prime.

It is a super-2 number, since 2×245441145405² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245441145403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889525 + ... + 1132314.

It is an arithmetic number, because the mean of its divisors is an integer number (24547159440).

Almost surely, 2^245441145405 is an apocalyptic number.

It is an amenable number.

245441145405 is a deficient number, since it is larger than the sum of its proper divisors (147313405635).

245441145405 is a wasteful number, since it uses less digits than its factorization.

245441145405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029940.

The product of its (nonzero) digits is 256000, while the sum is 39.

Adding to 245441145405 its reverse (504541144542), we get a palindrome (749982289947).

The spelling of 245441145405 in words is "two hundred forty-five billion, four hundred forty-one million, one hundred forty-five thousand, four hundred five".