Search a number
-
+
144415325 = 5241140893
BaseRepresentation
bin10001001101110…
…01101001011101
3101001202001120202
420212321221131
5243432242300
622155153245
73402336635
oct1046715135
9331661522
10144415325
117457840a
1240445825
1323bc4c72
14152736c5
15ca29ad5
hex89b9a5d

144415325 has 12 divisors (see below), whose sum is σ = 183443988. Its totient is φ = 112713600.

The previous prime is 144415309. The next prime is 144415339. The reversal of 144415325 is 523514441.

It can be written as a sum of positive squares in 6 ways, for example, as 2948089 + 141467236 = 1717^2 + 11894^2 .

It is not a de Polignac number, because 144415325 - 24 = 144415309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69422 + ... + 71471.

It is an arithmetic number, because the mean of its divisors is an integer number (15286999).

Almost surely, 2144415325 is an apocalyptic number.

It is an amenable number.

144415325 is a deficient number, since it is larger than the sum of its proper divisors (39028663).

144415325 is a wasteful number, since it uses less digits than its factorization.

144415325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140944 (or 140939 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 144415325 is about 12017.2927483689. The cubic root of 144415325 is about 524.6517115490.

Adding to 144415325 its reverse (523514441), we get a palindrome (667929766).

The spelling of 144415325 in words is "one hundred forty-four million, four hundred fifteen thousand, three hundred twenty-five".

Divisors: 1 5 25 41 205 1025 140893 704465 3522325 5776613 28883065 144415325