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144441746 = 283870131
BaseRepresentation
bin10001001110000…
…00000110010010
3101001210101211022
420213000012102
5243434113441
622155515442
73402506651
oct1047000622
9331711738
10144441746
1174596249
1240458b82
1323c03cb7
141527d198
15ca3284b
hex89c0192

144441746 has 8 divisors (see below), whose sum is σ = 219273264. Its totient is φ = 71350660.

The previous prime is 144441733. The next prime is 144441767. The reversal of 144441746 is 647144441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434900 + ... + 435231.

It is an arithmetic number, because the mean of its divisors is an integer number (27409158).

Almost surely, 2144441746 is an apocalyptic number.

144441746 is a deficient number, since it is larger than the sum of its proper divisors (74831518).

144441746 is an equidigital number, since it uses as much as digits as its factorization.

144441746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870216.

The product of its digits is 43008, while the sum is 35.

The square root of 144441746 is about 12018.3919889476. The cubic root of 144441746 is about 524.6837048702.

The spelling of 144441746 in words is "one hundred forty-four million, four hundred forty-one thousand, seven hundred forty-six".

Divisors: 1 2 83 166 870131 1740262 72220873 144441746