146163845 has 4 divisors (see below), whose sum is σ = 175396620. Its totient is φ = 116931072.

The previous prime is 146163803. The next prime is 146163847. The reversal of 146163845 is 548361641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104509729 + 41654116 = 10223^2 + 6454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146163845 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146163799 and 146163808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146163847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14616380 + ... + 14616389.

It is an arithmetic number, because the mean of its divisors is an integer number (43849155).

Almost surely, 2^146163845 is an apocalyptic number.

It is an amenable number.

146163845 is a deficient number, since it is larger than the sum of its proper divisors (29232775).

146163845 is an equidigital number, since it uses as much as digits as its factorization.

146163845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29232774.

The product of its digits is 69120, while the sum is 38.

The square root of 146163845 is about 12089.8240268417. The cubic root of 146163845 is about 526.7606436922.

The spelling of 146163845 in words is "one hundred forty-six million, one hundred sixty-three thousand, eight hundred forty-five".