245442221132 has 24 divisors (see below), whose sum is σ = 435652590240. Its totient is φ = 120970680320.

The previous prime is 245442221131. The next prime is 245442221153. The reversal of 245442221132 is 231122244542.

245442221132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245442221132² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245442221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548044 + ... + 1699212.

It is an arithmetic number, because the mean of its divisors is an integer number (18152191260).

Almost surely, 2^245442221132 is an apocalyptic number.

It is an amenable number.

245442221132 is a deficient number, since it is larger than the sum of its proper divisors (190210369108).

245442221132 is a wasteful number, since it uses less digits than its factorization.

245442221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156961 (or 156959 counting only the distinct ones).

The product of its digits is 30720, while the sum is 32.

Adding to 245442221132 its reverse (231122244542), we get a palindrome (476564465674).

The spelling of 245442221132 in words is "two hundred forty-five billion, four hundred forty-two million, two hundred twenty-one thousand, one hundred thirty-two".