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144368722 = 21572571789
BaseRepresentation
bin10001001101011…
…10010001010010
3101001122200122201
420212232101102
5243424244342
622154153414
73402054031
oct1046562122
9331580581
10144368722
11745463a3
124042286a
1323ba99a4
1415260718
15ca1adb7
hex89ae452

144368722 has 16 divisors (see below), whose sum is σ = 218902680. Its totient is φ = 71405568.

The previous prime is 144368717. The next prime is 144368737. The reversal of 144368722 is 227863441.

144368722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 142778601 + 1590121 = 11949^2 + 1261^2 .

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, 79804 + ... + 81592.

Almost surely, 2144368722 is an apocalyptic number.

144368722 is a deficient number, since it is larger than the sum of its proper divisors (74533958).

144368722 is a wasteful number, since it uses less digits than its factorization.

144368722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205.

The product of its digits is 64512, while the sum is 37.

The square root of 144368722 is about 12015.3535944640. The cubic root of 144368722 is about 524.5952702301.

The spelling of 144368722 in words is "one hundred forty-four million, three hundred sixty-eight thousand, seven hundred twenty-two".

Divisors: 1 2 157 257 314 514 1789 3578 40349 80698 280873 459773 561746 919546 72184361 144368722