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142755 = 3531307
BaseRepresentation
bin100010110110100011
321020211020
4202312203
514032010
63020523
71133124
oct426643
9236736
10142755
1198288
126a743
134cc92
143a04b
152c470
hex22da3

142755 has 16 divisors (see below), whose sum is σ = 236544. Its totient is φ = 73440.

The previous prime is 142733. The next prime is 142757. The reversal of 142755 is 557241.

142755 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 142755 - 210 = 141731 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142755.

It is not an unprimeable number, because it can be changed into a prime (142757) 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, 312 + ... + 618.

It is an arithmetic number, because the mean of its divisors is an integer number (14784).

2142755 is an apocalyptic number.

142755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142755 is a deficient number, since it is larger than the sum of its proper divisors (93789).

142755 is a wasteful number, since it uses less digits than its factorization.

142755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346.

The product of its digits is 1400, while the sum is 24.

The square root of 142755 is about 377.8293265484. The cubic root of 142755 is about 52.2633338222.

Adding to 142755 its reverse (557241), we get a palindrome (699996).

The spelling of 142755 in words is "one hundred forty-two thousand, seven hundred fifty-five".

Divisors: 1 3 5 15 31 93 155 307 465 921 1535 4605 9517 28551 47585 142755