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142151 is a prime number
BaseRepresentation
bin100010101101000111
321012222212
4202231013
514022101
63014035
71131302
oct425507
9235885
10142151
1197889
126a31b
134c919
1439b39
152c1bb
hex22b47

142151 has 2 divisors, whose sum is σ = 142152. Its totient is φ = 142150.

The previous prime is 142123. The next prime is 142157. The reversal of 142151 is 151241.

Adding to 142151 its reverse (151241), we get a palindrome (293392).

142151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (151241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71075 + 71076.

It is an arithmetic number, because the mean of its divisors is an integer number (71076).

2142151 is an apocalyptic number.

142151 is a deficient number, since it is larger than the sum of its proper divisors (1).

142151 is an equidigital number, since it uses as much as digits as its factorization.

142151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40, while the sum is 14.

The square root of 142151 is about 377.0291765898. The cubic root of 142151 is about 52.1895204615.

The spelling of 142151 in words is "one hundred forty-two thousand, one hundred fifty-one".