163141250 has 20 divisors (see below), whose sum is σ = 305794302. Its totient is φ = 65256000.

The previous prime is 163141247. The next prime is 163141259. The reversal of 163141250 is 52141361.

It can be written as a sum of positive squares in 5 ways, for example, as 8462281 + 154678969 = 2909^2 + 12437^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163141259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 64007 + ... + 66506.

Almost surely, 2^163141250 is an apocalyptic number.

163141250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163141250 is a deficient number, since it is larger than the sum of its proper divisors (142653052).

163141250 is an equidigital number, since it uses as much as digits as its factorization.

163141250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130535 (or 130520 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 163141250 is about 12772.6759138405. The cubic root of 163141250 is about 546.4133001149.

The spelling of 163141250 in words is "one hundred sixty-three million, one hundred forty-one thousand, two hundred fifty".