245634772 has 24 divisors (see below), whose sum is σ = 441299880. Its totient is φ = 119562240.

The previous prime is 245634761. The next prime is 245634773. The reversal of 245634772 is 277436542.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42458256 + 203176516 = 6516^2 + 14254^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245634773) 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 in 7 ways as a sum of consecutive naturals, for example, 90004 + ... + 92692.

It is an arithmetic number, because the mean of its divisors is an integer number (18387495).

Almost surely, 2^245634772 is an apocalyptic number.

It is an amenable number.

245634772 is a deficient number, since it is larger than the sum of its proper divisors (195665108).

245634772 is a wasteful number, since it uses less digits than its factorization.

245634772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291 (or 3289 counting only the distinct ones).

The product of its digits is 282240, while the sum is 40.

The square root of 245634772 is about 15672.7397732496. The cubic root of 245634772 is about 626.2724132254.

The spelling of 245634772 in words is "two hundred forty-five million, six hundred thirty-four thousand, seven hundred seventy-two".