Search a number
-
+
144523112 = 2318065389
BaseRepresentation
bin10001001110100…
…11111101101000
3101001221112102212
420213103331220
5243444214422
622201344252
73403266116
oct1047237550
9331845385
10144523112
1174641398
1240498088
1323c32046
14152a0ab6
15ca4b9e2
hex89d3f68

144523112 has 8 divisors (see below), whose sum is σ = 270980850. Its totient is φ = 72261552.

The previous prime is 144523109. The next prime is 144523117. The reversal of 144523112 is 211325441.

It can be written as a sum of positive squares in only one way, i.e., 123965956 + 20557156 = 11134^2 + 4534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (144523117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9032687 + ... + 9032702.

Almost surely, 2144523112 is an apocalyptic number.

It is an amenable number.

144523112 is a deficient number, since it is larger than the sum of its proper divisors (126457738).

144523112 is a wasteful number, since it uses less digits than its factorization.

144523112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18065395 (or 18065391 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 144523112 is about 12021.7765742007. The cubic root of 144523112 is about 524.7822068656.

Adding to 144523112 its reverse (211325441), we get a palindrome (355848553).

The spelling of 144523112 in words is "one hundred forty-four million, five hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 18065389 36130778 72261556 144523112