Search a number
-
+
144525725 = 525781029
BaseRepresentation
bin10001001110101…
…00100110011101
3101001221200000122
420213110212131
5243444310400
622201404325
73403306541
oct1047244635
9331850018
10144525725
1174643353
12404996a5
1323c332a6
14152a1a21
15ca4c685
hex89d499d

144525725 has 6 divisors (see below), whose sum is σ = 179211930. Its totient is φ = 115620560.

The previous prime is 144525713. The next prime is 144525727. The reversal of 144525725 is 527525441.

144525725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 42172036 + 102353689 = 6494^2 + 10117^2 .

It is not a de Polignac number, because 144525725 - 222 = 140331421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144525727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2890490 + ... + 2890539.

It is an arithmetic number, because the mean of its divisors is an integer number (29868655).

Almost surely, 2144525725 is an apocalyptic number.

It is an amenable number.

144525725 is a deficient number, since it is larger than the sum of its proper divisors (34686205).

144525725 is an equidigital number, since it uses as much as digits as its factorization.

144525725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5781039 (or 5781034 counting only the distinct ones).

The product of its digits is 56000, while the sum is 35.

The square root of 144525725 is about 12021.8852514903. The cubic root of 144525725 is about 524.7853695608.

The spelling of 144525725 in words is "one hundred forty-four million, five hundred twenty-five thousand, seven hundred twenty-five".

Divisors: 1 5 25 5781029 28905145 144525725