163145455 has 16 divisors (see below), whose sum is σ = 215978400. Its totient is φ = 117314560.

The previous prime is 163145449. The next prime is 163145459. The reversal of 163145455 is 554541361.

It is not a de Polignac number, because 163145455 - 2¹³ = 163137263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163145455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163145459) 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, 11770 + ... + 21559.

It is an arithmetic number, because the mean of its divisors is an integer number (13498650).

Almost surely, 2^163145455 is an apocalyptic number.

163145455 is a deficient number, since it is larger than the sum of its proper divisors (52832945).

163145455 is a wasteful number, since it uses less digits than its factorization.

163145455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33434.

The product of its digits is 36000, while the sum is 34.

The square root of 163145455 is about 12772.8405219826. The cubic root of 163145455 is about 546.4179947138.

The spelling of 163145455 in words is "one hundred sixty-three million, one hundred forty-five thousand, four hundred fifty-five".