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143147022 = 2343375501
BaseRepresentation
bin10001000100001…
…00000000001110
3100222100121210120
420202010000032
5243121201042
622112045410
73355505154
oct1042040016
9328317716
10143147022
1173891527
123bb33866
132386c8a5
14150233d4
15c878dec
hex888400e

143147022 has 16 divisors (see below), whose sum is σ = 286412112. Its totient is φ = 47696000.

The previous prime is 143146999. The next prime is 143147023. The reversal of 143147022 is 220741341.

It is a happy number.

143147022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143146983 and 143147001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143147023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23272 + ... + 28772.

It is an arithmetic number, because the mean of its divisors is an integer number (17900757).

Almost surely, 2143147022 is an apocalyptic number.

143147022 is an abundant number, since it is smaller than the sum of its proper divisors (143265090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143147022 is a wasteful number, since it uses less digits than its factorization.

143147022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9843.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 143147022 is about 11964.4064625037. The cubic root of 143147022 is about 523.1113051517. Note that the first 3 decimals are identical.

Adding to 143147022 its reverse (220741341), we get a palindrome (363888363).

The spelling of 143147022 in words is "one hundred forty-three million, one hundred forty-seven thousand, twenty-two".

Divisors: 1 2 3 6 4337 5501 8674 11002 13011 16503 26022 33006 23857837 47715674 71573511 143147022