142401141 has 12 divisors (see below), whose sum is σ = 207812332. Its totient is φ = 93954816.

The previous prime is 142401139. The next prime is 142401167. The reversal of 142401141 is 141104241.

It can be written as a sum of positive squares in 2 ways, for example, as 75325041 + 67076100 = 8679^2 + 8190^2 .

It is not a de Polignac number, because 142401141 - 2¹ = 142401139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142401101) 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 11 ways as a sum of consecutive naturals, for example, 80686 + ... + 82431.

Almost surely, 2^142401141 is an apocalyptic number.

It is an amenable number.

142401141 is a deficient number, since it is larger than the sum of its proper divisors (65411191).

142401141 is a wasteful number, since it uses less digits than its factorization.

142401141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163220 (or 163217 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 142401141 is about 11933.1949200539. The cubic root of 142401141 is about 522.2011489728.

Adding to 142401141 its reverse (141104241), we get a palindrome (283505382).

The spelling of 142401141 in words is "one hundred forty-two million, four hundred one thousand, one hundred forty-one".