239142441 has 4 divisors (see below), whose sum is σ = 318856592. Its totient is φ = 159428292.

The previous prime is 239142391. The next prime is 239142443. The reversal of 239142441 is 144241932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 239142441 - 2¹⁸ = 238880297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239142399 and 239142408.

It is not an unprimeable number, because it can be changed into a prime (239142443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39857071 + ... + 39857076.

It is an arithmetic number, because the mean of its divisors is an integer number (79714148).

Almost surely, 2^239142441 is an apocalyptic number.

It is an amenable number.

239142441 is a deficient number, since it is larger than the sum of its proper divisors (79714151).

239142441 is an equidigital number, since it uses as much as digits as its factorization.

239142441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79714150.

The product of its digits is 6912, while the sum is 30.

The square root of 239142441 is about 15464.2310187089. The cubic root of 239142441 is about 620.7054414017.

The spelling of 239142441 in words is "two hundred thirty-nine million, one hundred forty-two thousand, four hundred forty-one".