245147456 has 14 divisors (see below), whose sum is σ = 486464610. Its totient is φ = 122573696.

The previous prime is 245147453. The next prime is 245147543. The reversal of 245147456 is 654741542.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 233478400 + 11669056 = 15280^2 + 3416^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245147453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1915151 + ... + 1915278.

Almost surely, 2^245147456 is an apocalyptic number.

It is an amenable number.

245147456 is a deficient number, since it is larger than the sum of its proper divisors (241317154).

245147456 is an equidigital number, since it uses as much as digits as its factorization.

245147456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830441 (or 3830431 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 245147456 is about 15657.1854431121. The cubic root of 245147456 is about 625.8579840956.

Adding to 245147456 its reverse (654741542), we get a palindrome (899888998).

The spelling of 245147456 in words is "two hundred forty-five million, one hundred forty-seven thousand, four hundred fifty-six".