245169472 has 14 divisors (see below), whose sum is σ = 486508298. Its totient is φ = 122584704.

The previous prime is 245169413. The next prime is 245169479. The reversal of 245169472 is 274961542.

It can be written as a sum of positive squares in only one way, i.e., 193098816 + 52070656 = 13896^2 + 7216^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245169479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1915323 + ... + 1915450.

Almost surely, 2^245169472 is an apocalyptic number.

It is an amenable number.

245169472 is a deficient number, since it is larger than the sum of its proper divisors (241338826).

245169472 is an equidigital number, since it uses as much as digits as its factorization.

245169472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830785 (or 3830775 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 245169472 is about 15657.8884911089. Note that the first 3 decimals coincide. The cubic root of 245169472 is about 625.8767190469.

The spelling of 245169472 in words is "two hundred forty-five million, one hundred sixty-nine thousand, four hundred seventy-two".