245420403453043 has 24 divisors (see below), whose sum is σ = 307463811063360. Its totient is φ = 194169891363840.

The previous prime is 245420403452981. The next prime is 245420403453059. The reversal of 245420403453043 is 340354304024542.

It is not a de Polignac number, because 245420403453043 - 2⁹ = 245420403452531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245420403153043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5123923 + ... + 22739731.

It is an arithmetic number, because the mean of its divisors is an integer number (12810992127640).

Almost surely, 2^{245420403453043} is an apocalyptic number.

245420403453043 is a deficient number, since it is larger than the sum of its proper divisors (62043407610317).

245420403453043 is a wasteful number, since it uses less digits than its factorization.

245420403453043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17637707 (or 17637700 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 43.

Adding to 245420403453043 its reverse (340354304024542), we get a palindrome (585774707477585).

The spelling of 245420403453043 in words is "two hundred forty-five trillion, four hundred twenty billion, four hundred three million, four hundred fifty-three thousand, forty-three".