245227447 has 6 divisors (see below), whose sum is σ = 247768872. Its totient is φ = 242689212.

The previous prime is 245227439. The next prime is 245227459. The reversal of 245227447 is 744722542.

It is not a de Polignac number, because 245227447 - 2³ = 245227439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245227417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158158 + ... + 159700.

It is an arithmetic number, because the mean of its divisors is an integer number (41294812).

Almost surely, 2^245227447 is an apocalyptic number.

245227447 is a deficient number, since it is larger than the sum of its proper divisors (2541425).

245227447 is an frugal number, since it uses more digits than its factorization.

245227447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189 (or 1646 counting only the distinct ones).

The product of its digits is 125440, while the sum is 37.

The square root of 245227447 is about 15659.7396849373. The cubic root of 245227447 is about 625.9260486565.

Adding to 245227447 its reverse (744722542), we get a palindrome (989949989).

The spelling of 245227447 in words is "two hundred forty-five million, two hundred twenty-seven thousand, four hundred forty-seven".