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144341531 is a prime number
BaseRepresentation
bin10001001101001…
…11101000011011
3101001121022100122
420212213220123
5243422412111
622153423455
73401611535
oct1046475033
9331538318
10144341531
1174527a24
124040ab8b
1323b9a4b9
1415254855
15ca12cdb
hex89a7a1b

144341531 has 2 divisors, whose sum is σ = 144341532. Its totient is φ = 144341530.

The previous prime is 144341507. The next prime is 144341557. The reversal of 144341531 is 135143441.

It is a happy number.

144341531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (144341557) can be obtained adding 144341531 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144341531 - 210 = 144340507 is a prime.

It is a super-2 number, since 2×1443415312 = 41668955142847922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144341531.

It is not a weakly prime, because it can be changed into another prime (144341231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72170765 + 72170766.

It is an arithmetic number, because the mean of its divisors is an integer number (72170766).

Almost surely, 2144341531 is an apocalyptic number.

144341531 is a deficient number, since it is larger than the sum of its proper divisors (1).

144341531 is an equidigital number, since it uses as much as digits as its factorization.

144341531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 144341531 is about 12014.2220305769. Note that the first 3 decimals coincide. The cubic root of 144341531 is about 524.5623333506.

Adding to 144341531 its reverse (135143441), we get a palindrome (279484972).

The spelling of 144341531 in words is "one hundred forty-four million, three hundred forty-one thousand, five hundred thirty-one".