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142158 = 23192943
BaseRepresentation
bin100010101101001110
321020000010
4202231032
514022113
63014050
71131312
oct425516
9236003
10142158
1197895
126a326
134c923
1439b42
152c1c3
hex22b4e

142158 has 32 divisors (see below), whose sum is σ = 316800. Its totient is φ = 42336.

The previous prime is 142157. The next prime is 142159. The reversal of 142158 is 851241.

142158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142157) and next prime (142159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142151) 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, 3285 + ... + 3327.

It is an arithmetic number, because the mean of its divisors is an integer number (9900).

2142158 is an apocalyptic number.

142158 is an abundant number, since it is smaller than the sum of its proper divisors (174642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142158 is a wasteful number, since it uses less digits than its factorization.

142158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96.

The product of its digits is 320, while the sum is 21.

The square root of 142158 is about 377.0384595767. The cubic root of 142158 is about 52.1903771108.

Adding to 142158 its reverse (851241), we get a palindrome (993399).

It can be divided in two parts, 142 and 158, that added together give a triangular number (300 = T24).

The spelling of 142158 in words is "one hundred forty-two thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 19 29 38 43 57 58 86 87 114 129 174 258 551 817 1102 1247 1634 1653 2451 2494 3306 3741 4902 7482 23693 47386 71079 142158