245732214644 has 36 divisors (see below), whose sum is σ = 500308869060. Its totient is φ = 105299429760.

The previous prime is 245732214643. The next prime is 245732214667. The reversal of 245732214644 is 446412237542.

It can be written as a sum of positive squares in 2 ways, for example, as 229383523600 + 16348691044 = 478940^2 + 127862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245732214595 and 245732214604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245732214643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1421384 + ... + 1584864.

It is an arithmetic number, because the mean of its divisors is an integer number (13897468585).

Almost surely, 2^245732214644 is an apocalyptic number.

It is an amenable number.

245732214644 is an abundant number, since it is smaller than the sum of its proper divisors (254576654416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245732214644 is a wasteful number, since it uses less digits than its factorization.

245732214644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171168 (or 171159 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 44.

The spelling of 245732214644 in words is "two hundred forty-five billion, seven hundred thirty-two million, two hundred fourteen thousand, six hundred forty-four".