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45163 = 192377
BaseRepresentation
bin1011000001101011
32021221201
423001223
52421123
6545031
7245446
oct130153
967851
1045163
1130a28
1222177
1317731
141265d
15d5ad
hexb06b

45163 has 4 divisors (see below), whose sum is σ = 47560. Its totient is φ = 42768.

The previous prime is 45161. The next prime is 45179. The reversal of 45163 is 36154.

45163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36154 = 218077.

It is a cyclic number.

It is not a de Polignac number, because 45163 - 21 = 45161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 2377 = 45163 / (4 + 5 + 1 + 6 + 3).

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45163.

It is not an unprimeable number, because it can be changed into a prime (45161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170 + ... + 1207.

It is an arithmetic number, because the mean of its divisors is an integer number (11890).

245163 is an apocalyptic number.

45163 is a deficient number, since it is larger than the sum of its proper divisors (2397).

45163 is a wasteful number, since it uses less digits than its factorization.

45163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396.

The product of its digits is 360, while the sum is 19.

The square root of 45163 is about 212.5158817595. The cubic root of 45163 is about 35.6118274887.

Subtracting from 45163 its reverse (36154), we obtain a palindrome (9009).

The spelling of 45163 in words is "forty-five thousand, one hundred sixty-three".

Divisors: 1 19 2377 45163