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144079999 = 7157131101
BaseRepresentation
bin10001001011001…
…11110001111111
3101001010000121021
420211213301333
5243341024444
622144045011
73366442210
oct1045476177
9331100537
10144079999
1174369488
1240303767
1323b0844b
14151c7407
15c9b0584
hex8967c7f

144079999 has 8 divisors (see below), whose sum is σ = 165712928. Its totient is φ = 122709600.

The previous prime is 144079973. The next prime is 144080009. The reversal of 144079999 is 999970441.

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

It is a cyclic number.

It is not a de Polignac number, because 144079999 - 25 = 144079967 is a prime.

It is a super-2 number, since 2×1440799992 = 41518092223680002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144079919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64452 + ... + 66649.

It is an arithmetic number, because the mean of its divisors is an integer number (20714116).

Almost surely, 2144079999 is an apocalyptic number.

144079999 is a deficient number, since it is larger than the sum of its proper divisors (21632929).

144079999 is a wasteful number, since it uses less digits than its factorization.

144079999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131265.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 144079999 is about 12003.3328288438. The cubic root of 144079999 is about 524.2453241556.

The spelling of 144079999 in words is "one hundred forty-four million, seventy-nine thousand, nine hundred ninety-nine".

Divisors: 1 7 157 1099 131101 917707 20582857 144079999