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144719 is a prime number
BaseRepresentation
bin100011010101001111
321100111222
4203111033
514112334
63033555
71141631
oct432517
9240458
10144719
1199803
126b8bb
1350b43
143aa51
152cd2e
hex2354f

144719 has 2 divisors, whose sum is σ = 144720. Its totient is φ = 144718.

The previous prime is 144709. The next prime is 144731. The reversal of 144719 is 917441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144719 is a prime.

It is a super-2 number, since 2×1447192 = 41887177922, which contains 22 as substring.

It is a Sophie Germain 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 (144709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72359 + 72360.

It is an arithmetic number, because the mean of its divisors is an integer number (72360).

2144719 is an apocalyptic number.

144719 is a deficient number, since it is larger than the sum of its proper divisors (1).

144719 is an equidigital number, since it uses as much as digits as its factorization.

144719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

The square root of 144719 is about 380.4195052833. The cubic root of 144719 is about 52.5019198089.

It can be divided in two parts, 14 and 4719, that multiplied together give a palindrome (66066).

The spelling of 144719 in words is "one hundred forty-four thousand, seven hundred nineteen".