Search a number
-
+
142130459 is a prime number
BaseRepresentation
bin10000111100010…
…11110100011011
3100220102222100002
420132023310123
5242341133314
622034203215
73344042342
oct1036136433
9326388302
10142130459
1173257799
123b72350b
13235a4c83
1414c3ab59
15c727ade
hex878bd1b

142130459 has 2 divisors, whose sum is σ = 142130460. Its totient is φ = 142130458.

The previous prime is 142130423. The next prime is 142130467. The reversal of 142130459 is 954031241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142130459 - 220 = 141081883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142130759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71065229 + 71065230.

It is an arithmetic number, because the mean of its divisors is an integer number (71065230).

Almost surely, 2142130459 is an apocalyptic number.

142130459 is a deficient number, since it is larger than the sum of its proper divisors (1).

142130459 is an equidigital number, since it uses as much as digits as its factorization.

142130459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 142130459 is about 11921.8479691699. The cubic root of 142130459 is about 521.8700652312.

The spelling of 142130459 in words is "one hundred forty-two million, one hundred thirty thousand, four hundred fifty-nine".