142261143 has 8 divisors (see below), whose sum is σ = 189906288. Its totient is φ = 94728384.

The previous prime is 142261129. The next prime is 142261199. The reversal of 142261143 is 341162241.

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

It is not a de Polignac number, because 142261143 - 2⁵ = 142261111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142261123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25096 + ... + 30237.

It is an arithmetic number, because the mean of its divisors is an integer number (23738286).

Almost surely, 2^142261143 is an apocalyptic number.

142261143 is a deficient number, since it is larger than the sum of its proper divisors (47645145).

142261143 is an equidigital number, since it uses as much as digits as its factorization.

142261143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56193.

The product of its digits is 1152, while the sum is 24.

The square root of 142261143 is about 11927.3275715895. The cubic root of 142261143 is about 522.0299633422.

The spelling of 142261143 in words is "one hundred forty-two million, two hundred sixty-one thousand, one hundred forty-three".