Search a number
-
+
144551112 = 23326322901
BaseRepresentation
bin10001001110110…
…10110011001000
3101001222221211220
420213122303020
5244001113422
622202122040
73403443546
oct1047326310
9331887756
10144551112
1174660432
12404b0320
1323c41a04
14152aad96
15ca54e5c
hex89dacc8

144551112 has 32 divisors (see below), whose sum is σ = 362767680. Its totient is φ = 47998400.

The previous prime is 144551111. The next prime is 144551123. The reversal of 144551112 is 211155441.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (144551111) 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, 5139 + ... + 17762.

It is an arithmetic number, because the mean of its divisors is an integer number (11336490).

Almost surely, 2144551112 is an apocalyptic number.

144551112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144551112 is an abundant number, since it is smaller than the sum of its proper divisors (218216568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144551112 is a wasteful number, since it uses less digits than its factorization.

144551112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23173 (or 23169 counting only the distinct ones).

The product of its digits is 800, while the sum is 24.

The square root of 144551112 is about 12022.9410711356. The cubic root of 144551112 is about 524.8160952238.

The spelling of 144551112 in words is "one hundred forty-four million, five hundred fifty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 263 526 789 1052 1578 2104 3156 6312 22901 45802 68703 91604 137406 183208 274812 549624 6022963 12045926 18068889 24091852 36137778 48183704 72275556 144551112