Search a number
-
+
143142212 = 2249172883
BaseRepresentation
bin10001000100000…
…10110101000100
3100222100101012102
420202002311010
5243121022322
622112011232
73355455143
oct1042026504
9328311172
10143142212
1173888954
123bb30b18
132386a645
141502175a
15c877792
hex8882d44

143142212 has 12 divisors (see below), whose sum is σ = 251012496. Its totient is φ = 71424360.

The previous prime is 143142211. The next prime is 143142253. The reversal of 143142212 is 212241341.

It is a super-3 number, since 3×1431422123 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (143142211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34478 + ... + 38405.

It is an arithmetic number, because the mean of its divisors is an integer number (20917708).

Almost surely, 2143142212 is an apocalyptic number.

It is an amenable number.

143142212 is a deficient number, since it is larger than the sum of its proper divisors (107870284).

143142212 is a wasteful number, since it uses less digits than its factorization.

143142212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73378 (or 73376 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 143142212 is about 11964.2054479184. The cubic root of 143142212 is about 523.1054459227.

Adding to 143142212 its reverse (212241341), we get a palindrome (355383553).

The spelling of 143142212 in words is "one hundred forty-three million, one hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 4 491 982 1964 72883 145766 291532 35785553 71571106 143142212