Search a number
-
+
105143459 is a prime number
BaseRepresentation
bin1100100010001…
…01110010100011
321022211211201012
412101011302203
5203404042314
614233331135
72414463461
oct621056243
9238754635
10105143459
1154394923
122b266aab
1318a24985
14dd6d831
15936d93e
hex6445ca3

105143459 has 2 divisors, whose sum is σ = 105143460. Its totient is φ = 105143458.

The previous prime is 105143447. The next prime is 105143483. The reversal of 105143459 is 954341501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105143459 is a prime.

It is a super-2 number, since 2×1051434592 = 22110293940969362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105143659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52571729 + 52571730.

It is an arithmetic number, because the mean of its divisors is an integer number (52571730).

Almost surely, 2105143459 is an apocalyptic number.

105143459 is a deficient number, since it is larger than the sum of its proper divisors (1).

105143459 is an equidigital number, since it uses as much as digits as its factorization.

105143459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 105143459 is about 10253.9484590084. The cubic root of 105143459 is about 471.9841560204.

The spelling of 105143459 in words is "one hundred five million, one hundred forty-three thousand, four hundred fifty-nine".