245144340445 has 16 divisors (see below), whose sum is σ = 295859304000. Its totient is φ = 194991726208.

The previous prime is 245144340437. The next prime is 245144340473. The reversal of 245144340445 is 544043441542.

It is a cyclic number.

It is not a de Polignac number, because 245144340445 - 2³ = 245144340437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245144340398 and 245144340407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8011986 + ... + 8042524.

It is an arithmetic number, because the mean of its divisors is an integer number (18491206500).

Almost surely, 2^245144340445 is an apocalyptic number.

It is an amenable number.

245144340445 is a deficient number, since it is larger than the sum of its proper divisors (50714963555).

245144340445 is a wasteful number, since it uses less digits than its factorization.

245144340445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39692.

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 245144340445 its reverse (544043441542), we get a palindrome (789187781987).

The spelling of 245144340445 in words is "two hundred forty-five billion, one hundred forty-four million, three hundred forty thousand, four hundred forty-five".