Search a number
-
+
144290837 is a prime number
BaseRepresentation
bin10001001100110…
…11010000010101
3101001111201211002
420212123100111
5243414301322
622152353045
73401310665
oct1046332025
9331451732
10144290837
11744a2929
12403a5785
1323b803c2
14152401a5
15ca02c92
hex899b415

144290837 has 2 divisors, whose sum is σ = 144290838. Its totient is φ = 144290836.

The previous prime is 144290831. The next prime is 144290897. The reversal of 144290837 is 738092441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109704676 + 34586161 = 10474^2 + 5881^2 .

It is an emirp because it is prime and its reverse (738092441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144290837 - 214 = 144274453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144290837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144290831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72145418 + 72145419.

It is an arithmetic number, because the mean of its divisors is an integer number (72145419).

Almost surely, 2144290837 is an apocalyptic number.

It is an amenable number.

144290837 is a deficient number, since it is larger than the sum of its proper divisors (1).

144290837 is an equidigital number, since it uses as much as digits as its factorization.

144290837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 144290837 is about 12012.1120957141. The cubic root of 144290837 is about 524.5009158766.

The spelling of 144290837 in words is "one hundred forty-four million, two hundred ninety thousand, eight hundred thirty-seven".