245641436 has 6 divisors (see below), whose sum is σ = 429872520. Its totient is φ = 122820716.

The previous prime is 245641433. The next prime is 245641457. The reversal of 245641436 is 634146542.

It is a junction number, because it is equal to n+sod(n) for n = 245641396 and 245641405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245641433) 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, 30705176 + ... + 30705183.

It is an arithmetic number, because the mean of its divisors is an integer number (71645420).

Almost surely, 2^245641436 is an apocalyptic number.

It is an amenable number.

245641436 is a deficient number, since it is larger than the sum of its proper divisors (184231084).

245641436 is a wasteful number, since it uses less digits than its factorization.

245641436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61410363 (or 61410361 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 245641436 is about 15672.9523702460. The cubic root of 245641436 is about 626.2780767037.

Adding to 245641436 its reverse (634146542), we get a palindrome (879787978).

The spelling of 245641436 in words is "two hundred forty-five million, six hundred forty-one thousand, four hundred thirty-six".