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144132687 = 3216014743
BaseRepresentation
bin10001001011101…
…00101001001111
3101001012200212200
420211310221033
5243344221222
622145132543
73400051626
oct1045645117
9331180780
10144132687
11743a5026
124032a153
1323b2641a
14151dc6bd
15c9c0eac
hex8974a4f

144132687 has 6 divisors (see below), whose sum is σ = 208191672. Its totient is φ = 96088452.

The previous prime is 144132683. The next prime is 144132707. The reversal of 144132687 is 786231441.

144132687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144132687 - 22 = 144132683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144132683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8007363 + ... + 8007380.

It is an arithmetic number, because the mean of its divisors is an integer number (34698612).

Almost surely, 2144132687 is an apocalyptic number.

144132687 is a deficient number, since it is larger than the sum of its proper divisors (64058985).

144132687 is a wasteful number, since it uses less digits than its factorization.

144132687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16014749 (or 16014746 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 144132687 is about 12005.5273520158. The cubic root of 144132687 is about 524.3092193796.

The spelling of 144132687 in words is "one hundred forty-four million, one hundred thirty-two thousand, six hundred eighty-seven".

Divisors: 1 3 9 16014743 48044229 144132687