Search a number
-
+
144550001 = 733116367
BaseRepresentation
bin10001001110110…
…10100001110001
3101001222220022202
420213122201301
5244001100001
622202112545
73403440401
oct1047324161
9331886282
10144550001
117465a612
12404ab755
1323c4135b
14152aa801
15ca5496b
hex89da871

144550001 has 8 divisors (see below), whose sum is σ = 147024384. Its totient is φ = 142089120.

The previous prime is 144549991. The next prime is 144550019. The reversal of 144550001 is 100055441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144550001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144550801) 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 7 ways as a sum of consecutive naturals, for example, 19520 + ... + 25886.

It is an arithmetic number, because the mean of its divisors is an integer number (18378048).

Almost surely, 2144550001 is an apocalyptic number.

It is an amenable number.

144550001 is a deficient number, since it is larger than the sum of its proper divisors (2474383).

144550001 is an equidigital number, since it uses as much as digits as its factorization.

144550001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 144550001 is about 12022.8948677097. The cubic root of 144550001 is about 524.8147506656.

The spelling of 144550001 in words is "one hundred forty-four million, five hundred fifty thousand, one".

Divisors: 1 73 311 6367 22703 464791 1980137 144550001