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144139 is a prime number
BaseRepresentation
bin100011001100001011
321022201111
4203030023
514103024
63031151
71140142
oct431413
9238644
10144139
1199326
126b4b7
13507b8
143a759
152ca94
hex2330b

144139 has 2 divisors, whose sum is σ = 144140. Its totient is φ = 144138.

The previous prime is 144103. The next prime is 144161. The reversal of 144139 is 931441.

It is an a-pointer prime, because the next prime (144161) can be obtained adding 144139 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144139 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144139.

It is not a weakly prime, because it can be changed into another prime (144169) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72069 + 72070.

It is an arithmetic number, because the mean of its divisors is an integer number (72070).

2144139 is an apocalyptic number.

144139 is a deficient number, since it is larger than the sum of its proper divisors (1).

144139 is an equidigital number, since it uses as much as digits as its factorization.

144139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 144139 is about 379.6564236254. The cubic root of 144139 is about 52.4316874168.

The spelling of 144139 in words is "one hundred forty-four thousand, one hundred thirty-nine".