Search a number
-
+
143345412 = 22327568831
BaseRepresentation
bin10001000101101…
…00011100000100
3100222201200221100
420202310130010
5243144023122
622120220100
73360262440
oct1042643404
9328650840
10143345412
1173a07591
124000a630
132390bc92
1415075820
15c8b7aac
hex88b4704

143345412 has 36 divisors (see below), whose sum is σ = 414109696. Its totient is φ = 40955760.

The previous prime is 143345383. The next prime is 143345431. The reversal of 143345412 is 214543341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284164 + ... + 284667.

Almost surely, 2143345412 is an apocalyptic number.

143345412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143345412 is an abundant number, since it is smaller than the sum of its proper divisors (270764284).

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

143345412 is a wasteful number, since it uses less digits than its factorization.

143345412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568848 (or 568843 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 143345412 is about 11972.6944335851. The cubic root of 143345412 is about 523.3528566785.

Adding to 143345412 its reverse (214543341), we get a palindrome (357888753).

The spelling of 143345412 in words is "one hundred forty-three million, three hundred forty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 568831 1137662 1706493 2275324 3412986 3981817 5119479 6825972 7963634 10238958 11945451 15927268 20477916 23890902 35836353 47781804 71672706 143345412