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142042 = 2293179
BaseRepresentation
bin100010101011011010
321012211211
4202223122
514021132
63013334
71131055
oct425332
9235754
10142042
119779a
126a24a
134c864
1439a9c
152c147
hex22ada

142042 has 16 divisors (see below), whose sum is σ = 230400. Its totient is φ = 65520.

The previous prime is 142039. The next prime is 142049. The reversal of 142042 is 240241.

Adding to 142042 its reverse (240241), we get a palindrome (382283).

142042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759 + ... + 1837.

It is an arithmetic number, because the mean of its divisors is an integer number (14400).

2142042 is an apocalyptic number.

142042 is a deficient number, since it is larger than the sum of its proper divisors (88358).

142042 is a wasteful number, since it uses less digits than its factorization.

142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 142042 is about 376.8845977219. The cubic root of 142042 is about 52.1761775788.

The spelling of 142042 in words is "one hundred forty-two thousand, forty-two", and thus it is an iban number.

Divisors: 1 2 29 31 58 62 79 158 899 1798 2291 2449 4582 4898 71021 142042