Search a number
BaseRepresentation
bin100010101011000111
321012211010
4202223013
514021043
63013303
71131030
oct425307
9235733
10142023
1197782
126a233
134c84b
1439a87
152c133
hex22ac7

142023 has 8 divisors (see below), whose sum is σ = 216448. Its totient is φ = 81144.

The previous prime is 142019. The next prime is 142031. The reversal of 142023 is 320241.

142023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142023 - 22 = 142019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142123) 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, 3361 + ... + 3402.

It is an arithmetic number, because the mean of its divisors is an integer number (27056).

2142023 is an apocalyptic number.

142023 is a deficient number, since it is larger than the sum of its proper divisors (74425).

142023 is an equidigital number, since it uses as much as digits as its factorization.

142023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 142023 is about 376.8593902240. The cubic root of 142023 is about 52.1738510567.

Adding to 142023 its reverse (320241), we get a palindrome (462264).

It can be divided in two parts, 1 and 42023, that added together give a palindrome (42024).

The spelling of 142023 in words is "one hundred forty-two thousand, twenty-three", and thus it is an iban number.

Divisors: 1 3 7 21 6763 20289 47341 142023