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143343041 = 157913013
BaseRepresentation
bin10001000101100…
…11110111000001
3100222201120200112
420202303313001
5243143434131
622120201105
73360252512
oct1042636701
9328646615
10143343041
1173a05826
1240009195
132390ab8a
1415074a09
15c8b702b
hex88b3dc1

143343041 has 4 divisors (see below), whose sum is σ = 144256212. Its totient is φ = 142429872.

The previous prime is 143343029. The next prime is 143343047. The reversal of 143343041 is 140343341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140343341 = 721319457.

It can be written as a sum of positive squares in 2 ways, for example, as 54700816 + 88642225 = 7396^2 + 9415^2 .

It is a cyclic number.

It is not a de Polignac number, because 143343041 - 214 = 143326657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143342998 and 143343016.

It is not an unprimeable number, because it can be changed into a prime (143343047) 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 in 3 ways as a sum of consecutive naturals, for example, 456350 + ... + 456663.

It is an arithmetic number, because the mean of its divisors is an integer number (36064053).

Almost surely, 2143343041 is an apocalyptic number.

It is an amenable number.

143343041 is a deficient number, since it is larger than the sum of its proper divisors (913171).

143343041 is an equidigital number, since it uses as much as digits as its factorization.

143343041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913170.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 143343041 is about 11972.5954161994. The cubic root of 143343041 is about 523.3499711625.

Adding to 143343041 its reverse (140343341), we get a palindrome (283686382).

The spelling of 143343041 in words is "one hundred forty-three million, three hundred forty-three thousand, forty-one".

Divisors: 1 157 913013 143343041