Search a number
-
+
144330741 = 345233407
BaseRepresentation
bin10001001101001…
…00111111110101
3101001120202120000
420212210333311
5243422040431
622153301513
73401535222
oct1046447765
9331522500
10144330741
117451a905
1240404899
1323b95609
1415250949
15ca0e9e6
hex89a4ff5

144330741 has 20 divisors (see below), whose sum is σ = 216080832. Its totient is φ = 96008328.

The previous prime is 144330737. The next prime is 144330763. The reversal of 144330741 is 147033441.

It is not a de Polignac number, because 144330741 - 22 = 144330737 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144331741) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40660 + ... + 44066.

Almost surely, 2144330741 is an apocalyptic number.

It is an amenable number.

144330741 is a deficient number, since it is larger than the sum of its proper divisors (71750091).

144330741 is an equidigital number, since it uses as much as digits as its factorization.

144330741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3933 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 144330741 is about 12013.7729710528. The cubic root of 144330741 is about 524.5492621101.

The spelling of 144330741 in words is "one hundred forty-four million, three hundred thirty thousand, seven hundred forty-one".

Divisors: 1 3 9 27 81 523 1569 3407 4707 10221 14121 30663 42363 91989 275967 1781861 5345583 16036749 48110247 144330741