Search a number
-
+
143135230 = 2572044789
BaseRepresentation
bin10001000100000…
…01000111111110
3100222100000121211
420202001013332
5243120311410
622111515034
73355425610
oct1042010776
9328300554
10143135230
1173883687
123bb28a7a
1323867404
141501cdb0
15c87568a
hex88811fe

143135230 has 16 divisors (see below), whose sum is σ = 294449760. Its totient is φ = 49074912.

The previous prime is 143135221. The next prime is 143135263. The reversal of 143135230 is 32531341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022325 + ... + 1022464.

It is an arithmetic number, because the mean of its divisors is an integer number (18403110).

Almost surely, 2143135230 is an apocalyptic number.

143135230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143135230 is an abundant number, since it is smaller than the sum of its proper divisors (151314530).

143135230 is a wasteful number, since it uses less digits than its factorization.

143135230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044803.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 143135230 is about 11963.9136573280. The cubic root of 143135230 is about 523.0969406710.

Adding to 143135230 its reverse (32531341), we get a palindrome (175666571).

The spelling of 143135230 in words is "one hundred forty-three million, one hundred thirty-five thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 2044789 4089578 10223945 14313523 20447890 28627046 71567615 143135230