245661602201344 has 144 divisors (see below), whose sum is σ = 602237589504768. Its totient is φ = 97611432247296.

The previous prime is 245661602201341. The next prime is 245661602201347. The reversal of 245661602201344 is 443102206166542.

245661602201344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245661602201341) and next prime (245661602201347).

It is a super-2 number, since 2×245661602201344² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245661602201294 and 245661602201303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245661602201341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58137994 + ... + 62220169.

It is an arithmetic number, because the mean of its divisors is an integer number (4182205482672).

Almost surely, 2^{245661602201344} is an apocalyptic number.

It is an amenable number.

245661602201344 is an abundant number, since it is smaller than the sum of its proper divisors (356575987303424).

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

245661602201344 is a wasteful number, since it uses less digits than its factorization.

245661602201344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120358270 (or 120358256 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

Adding to 245661602201344 its reverse (443102206166542), we get a palindrome (688763808367886).

The spelling of 245661602201344 in words is "two hundred forty-five trillion, six hundred sixty-one billion, six hundred two million, two hundred one thousand, three hundred forty-four".