163452245145 has 24 divisors (see below), whose sum is σ = 304221322944. Its totient is φ = 74721026016.

The previous prime is 163452245137. The next prime is 163452245149. The reversal of 163452245145 is 541542254361.

It is not a de Polignac number, because 163452245145 - 2³ = 163452245137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163452245097 and 163452245106.

It is not an unprimeable number, because it can be changed into a prime (163452245149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111191269 + ... + 111192738.

It is an arithmetic number, because the mean of its divisors is an integer number (12675888456).

Almost surely, 2^163452245145 is an apocalyptic number.

163452245145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163452245145 is a deficient number, since it is larger than the sum of its proper divisors (140769077799).

163452245145 is a wasteful number, since it uses less digits than its factorization.

163452245145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222384029 (or 222384022 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

The spelling of 163452245145 in words is "one hundred sixty-three billion, four hundred fifty-two million, two hundred forty-five thousand, one hundred forty-five".