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142619 is a prime number
BaseRepresentation
bin100010110100011011
321020122012
4202310123
514030434
63020135
71132541
oct426433
9236565
10142619
1198174
126a64b
134cbb9
1439d91
152c3ce
hex22d1b

142619 has 2 divisors, whose sum is σ = 142620. Its totient is φ = 142618.

The previous prime is 142609. The next prime is 142657. The reversal of 142619 is 916241.

It is a happy number.

142619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142619 is a prime.

It is a super-2 number, since 2×1426192 = 40680358322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142594 and 142603.

It is not a weakly prime, because it can be changed into another prime (142609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71309 + 71310.

It is an arithmetic number, because the mean of its divisors is an integer number (71310).

2142619 is an apocalyptic number.

142619 is a deficient number, since it is larger than the sum of its proper divisors (1).

142619 is an equidigital number, since it uses as much as digits as its factorization.

142619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 142619 is about 377.6493082213. The cubic root of 142619 is about 52.2467317843.

The spelling of 142619 in words is "one hundred forty-two thousand, six hundred nineteen".