Search a number
-
+
142875017 is a prime number
BaseRepresentation
bin10001000010000…
…01100110001001
3100221211210200022
420201001212021
5243034000032
622102150225
73353263145
oct1041014611
9327753608
10142875017
117371612a
123ba22375
13237a5b3c
1414d92225
15c823512
hex8841989

142875017 has 2 divisors, whose sum is σ = 142875018. Its totient is φ = 142875016.

The previous prime is 142874989. The next prime is 142875023. The reversal of 142875017 is 710578241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108076816 + 34798201 = 10396^2 + 5899^2 .

It is a cyclic number.

It is not a de Polignac number, because 142875017 - 212 = 142870921 is a prime.

It is not a weakly prime, because it can be changed into another prime (142872017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71437508 + 71437509.

It is an arithmetic number, because the mean of its divisors is an integer number (71437509).

Almost surely, 2142875017 is an apocalyptic number.

It is an amenable number.

142875017 is a deficient number, since it is larger than the sum of its proper divisors (1).

142875017 is an equidigital number, since it uses as much as digits as its factorization.

142875017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 142875017 is about 11953.0337989985. The cubic root of 142875017 is about 522.7797599832.

The spelling of 142875017 in words is "one hundred forty-two million, eight hundred seventy-five thousand, seventeen".