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142275165 = 3510193911
BaseRepresentation
bin10000111101011…
…11001001011101
3100220201022211120
420132233021131
5242410301130
622041241153
73345214254
oct1036571135
9326638746
10142275165
117334648a
123b7931b9
1323625ab6
1414c7779b
15c755910
hex87af25d

142275165 has 16 divisors (see below), whose sum is σ = 229896576. Its totient is φ = 75128000.

The previous prime is 142275143. The next prime is 142275169. The reversal of 142275165 is 561572241.

It is not a de Polignac number, because 142275165 - 27 = 142275037 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142275169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45441 + ... + 48470.

It is an arithmetic number, because the mean of its divisors is an integer number (14368536).

Almost surely, 2142275165 is an apocalyptic number.

142275165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142275165 is a deficient number, since it is larger than the sum of its proper divisors (87621411).

142275165 is a wasteful number, since it uses less digits than its factorization.

142275165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94020.

The product of its digits is 16800, while the sum is 33.

The square root of 142275165 is about 11927.9153669030. The cubic root of 142275165 is about 522.0471141104.

The spelling of 142275165 in words is "one hundred forty-two million, two hundred seventy-five thousand, one hundred sixty-five".

Divisors: 1 3 5 15 101 303 505 1515 93911 281733 469555 1408665 9485011 28455033 47425055 142275165