Search a number
-
+
143011444 = 22411137717
BaseRepresentation
bin10001000011000…
…10111001110100
3100222002201211011
420201202321310
5243102331234
622105122004
73354401662
oct1041427164
9328081734
10143011444
11737a9684
123ba89304
1323822c74
1414dc9c32
15c84db64
hex8862e74

143011444 has 24 divisors (see below), whose sum is σ = 258676488. Its totient is φ = 69135360.

The previous prime is 143011417. The next prime is 143011471. The reversal of 143011444 is 444110341.

143011444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143011417) and next prime (143011471).

It can be written as a sum of positive squares in 4 ways, for example, as 6822544 + 136188900 = 2612^2 + 11670^2 .

It is a super-3 number, since 3×1430114443 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 14674 + ... + 22390.

It is an arithmetic number, because the mean of its divisors is an integer number (10778187).

Almost surely, 2143011444 is an apocalyptic number.

It is an amenable number.

143011444 is a deficient number, since it is larger than the sum of its proper divisors (115665044).

143011444 is a wasteful number, since it uses less digits than its factorization.

143011444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7875 (or 7873 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 143011444 is about 11958.7392312066. The cubic root of 143011444 is about 522.9461025367.

Adding to 143011444 its reverse (444110341), we get a palindrome (587121785).

The spelling of 143011444 in words is "one hundred forty-three million, eleven thousand, four hundred forty-four".

Divisors: 1 2 4 41 82 113 164 226 452 4633 7717 9266 15434 18532 30868 316397 632794 872021 1265588 1744042 3488084 35752861 71505722 143011444