245111445 has 12 divisors (see below), whose sum is σ = 424859916. Its totient is φ = 130726080.

The previous prime is 245111441. The next prime is 245111459. The reversal of 245111445 is 544111542.

245111445 is a `hidden beast` number, since 2 + 4 + 511 + 144 + 5 = 666.

245111445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42732369 + 202379076 = 6537^2 + 14226^2 .

It is not a de Polignac number, because 245111445 - 2² = 245111441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245111441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2723416 + ... + 2723505.

It is an arithmetic number, because the mean of its divisors is an integer number (35404993).

Almost surely, 2^245111445 is an apocalyptic number.

It is an amenable number.

245111445 is a deficient number, since it is larger than the sum of its proper divisors (179748471).

245111445 is a wasteful number, since it uses less digits than its factorization.

245111445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446932 (or 5446929 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 245111445 is about 15656.0354176912. The cubic root of 245111445 is about 625.8273374039.

Adding to 245111445 its reverse (544111542), we get a palindrome (789222987).

The spelling of 245111445 in words is "two hundred forty-five million, one hundred eleven thousand, four hundred forty-five".