245414400445 has 4 divisors (see below), whose sum is σ = 294497280540. Its totient is φ = 196331520352.

The previous prime is 245414400443. The next prime is 245414400499. The reversal of 245414400445 is 544004414542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87174334009 + 158240066436 = 295253^2 + 397794^2 .

It is a cyclic number.

It is not a de Polignac number, because 245414400445 - 2¹ = 245414400443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245414400443) 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, 24541440040 + ... + 24541440049.

It is an arithmetic number, because the mean of its divisors is an integer number (73624320135).

Almost surely, 2^245414400445 is an apocalyptic number.

It is an amenable number.

245414400445 is a deficient number, since it is larger than the sum of its proper divisors (49082880095).

245414400445 is an equidigital number, since it uses as much as digits as its factorization.

245414400445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49082880094.

The product of its (nonzero) digits is 204800, while the sum is 37.

Adding to 245414400445 its reverse (544004414542), we get a palindrome (789418814987).

The spelling of 245414400445 in words is "two hundred forty-five billion, four hundred fourteen million, four hundred thousand, four hundred forty-five".