Search a number
-
+
143996357 is a prime number
BaseRepresentation
bin10001001010100…
…11010111000101
3101000221202212102
420211103113011
5243330340412
622142201445
73365643311
oct1045232705
9330852772
10143996357
117431165a
1240283285
1323aa935b
14151a4b41
15c9958c2
hex89535c5

143996357 has 2 divisors, whose sum is σ = 143996358. Its totient is φ = 143996356.

The previous prime is 143996351. The next prime is 143996401. The reversal of 143996357 is 753699341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100620961 + 43375396 = 10031^2 + 6586^2 .

It is an emirp because it is prime and its reverse (753699341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143996357 - 216 = 143930821 is a prime.

It is a super-3 number, since 3×1439963573 (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143996351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71998178 + 71998179.

It is an arithmetic number, because the mean of its divisors is an integer number (71998179).

Almost surely, 2143996357 is an apocalyptic number.

It is an amenable number.

143996357 is a deficient number, since it is larger than the sum of its proper divisors (1).

143996357 is an equidigital number, since it uses as much as digits as its factorization.

143996357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 47.

The square root of 143996357 is about 11999.8482073733. The cubic root of 143996357 is about 524.1438587300.

The spelling of 143996357 in words is "one hundred forty-three million, nine hundred ninety-six thousand, three hundred fifty-seven".