142130443 has 16 divisors (see below), whose sum is σ = 180576256. Its totient is φ = 108825120.

The previous prime is 142130423. The next prime is 142130459. The reversal of 142130443 is 344031241.

142130443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142130443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142130413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22371 + ... + 28012.

It is an arithmetic number, because the mean of its divisors is an integer number (11286016).

Almost surely, 2^142130443 is an apocalyptic number.

142130443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142130443 is a deficient number, since it is larger than the sum of its proper divisors (38445813).

142130443 is a wasteful number, since it uses less digits than its factorization.

142130443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50434.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 142130443 is about 11921.8472981330. The cubic root of 142130443 is about 521.8700456484.

Adding to 142130443 its reverse (344031241), we get a palindrome (486161684).

The spelling of 142130443 in words is "one hundred forty-two million, one hundred thirty thousand, four hundred forty-three".