245443453145 has 48 divisors (see below), whose sum is σ = 342753465600. Its totient is φ = 167298539520.

The previous prime is 245443453133. The next prime is 245443453159. The reversal of 245443453145 is 541354344542.

It is not a de Polignac number, because 245443453145 - 2⁶ = 245443453081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245443453096 and 245443453105.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3766601 + ... + 3831209.

It is an arithmetic number, because the mean of its divisors is an integer number (7140697200).

Almost surely, 2^245443453145 is an apocalyptic number.

It is an amenable number.

245443453145 is a deficient number, since it is larger than the sum of its proper divisors (97310012455).

245443453145 is a wasteful number, since it uses less digits than its factorization.

245443453145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64898 (or 64881 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 44.

Adding to 245443453145 its reverse (541354344542), we get a palindrome (786797797687).

The spelling of 245443453145 in words is "two hundred forty-five billion, four hundred forty-three million, four hundred fifty-three thousand, one hundred forty-five".