239142446 has 4 divisors (see below), whose sum is σ = 358713672. Its totient is φ = 119571222.

The previous prime is 239142443. The next prime is 239142461. The reversal of 239142446 is 644241932.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239142443) 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 as a sum of consecutive naturals, namely, 59785610 + ... + 59785613.

It is an arithmetic number, because the mean of its divisors is an integer number (89678418).

Almost surely, 2^239142446 is an apocalyptic number.

239142446 is a deficient number, since it is larger than the sum of its proper divisors (119571226).

239142446 is a wasteful number, since it uses less digits than its factorization.

239142446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119571225.

The product of its digits is 41472, while the sum is 35.

The square root of 239142446 is about 15464.2311803723. The cubic root of 239142446 is about 620.7054457276.

The spelling of 239142446 in words is "two hundred thirty-nine million, one hundred forty-two thousand, four hundred forty-six".