Search a number
-
+
142141443 = 359803059
BaseRepresentation
bin10000111100011…
…10100000000011
3100220110112101220
420132032200003
5242342011233
622034330123
73344116353
oct1036164003
9326415356
10142141443
1173264a74
123b729943
13235a9c82
1414c40b63
15c72aeb3
hex878e803

142141443 has 8 divisors (see below), whose sum is σ = 192734400. Its totient is φ = 93154728.

The previous prime is 142141409. The next prime is 142141453. The reversal of 142141443 is 344141241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142141443 - 29 = 142140931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142141453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401353 + ... + 401706.

It is an arithmetic number, because the mean of its divisors is an integer number (24091800).

Almost surely, 2142141443 is an apocalyptic number.

142141443 is a deficient number, since it is larger than the sum of its proper divisors (50592957).

142141443 is an equidigital number, since it uses as much as digits as its factorization.

142141443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803121.

The product of its digits is 1536, while the sum is 24.

The square root of 142141443 is about 11922.3086271074. The cubic root of 142141443 is about 521.8835084513.

Adding to 142141443 its reverse (344141241), we get a palindrome (486282684).

The spelling of 142141443 in words is "one hundred forty-two million, one hundred forty-one thousand, four hundred forty-three".

Divisors: 1 3 59 177 803059 2409177 47380481 142141443