[go: up one dir, main page]

Search a number
-
+
144350749 is a prime number
BaseRepresentation
bin10001001101010…
…01111000011101
3101001121210000001
420212221320131
5243423210444
622153534301
73401650444
oct1046517035
9331553001
10144350749
1174533944
1240414391
1323ba175a
1415257d5b
15ca158d4
hex89a9e1d

144350749 has 2 divisors, whose sum is σ = 144350750. Its totient is φ = 144350748.

The previous prime is 144350743. The next prime is 144350761. The reversal of 144350749 is 947053441.

144350749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134142724 + 10208025 = 11582^2 + 3195^2 .

It is a cyclic number.

It is not a de Polignac number, because 144350749 - 23 = 144350741 is a prime.

It is a super-2 number, since 2×1443507492 = 41674277473722002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144350741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72175374 + 72175375.

It is an arithmetic number, because the mean of its divisors is an integer number (72175375).

Almost surely, 2144350749 is an apocalyptic number.

It is an amenable number.

144350749 is a deficient number, since it is larger than the sum of its proper divisors (1).

144350749 is an equidigital number, since it uses as much as digits as its factorization.

144350749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 144350749 is about 12014.6056531207. The cubic root of 144350749 is about 524.5734997202.

The spelling of 144350749 in words is "one hundred forty-four million, three hundred fifty thousand, seven hundred forty-nine".