1442057846 has 4 divisors (see below), whose sum is σ = 2163086772. Its totient is φ = 721028922.

The previous prime is 1442057843. The next prime is 1442057891. The reversal of 1442057846 is 6487502441.

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 (1442057843) 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 as a sum of consecutive naturals, namely, 360514460 + ... + 360514463.

It is an arithmetic number, because the mean of its divisors is an integer number (540771693).

Almost surely, 2^1442057846 is an apocalyptic number.

1442057846 is a deficient number, since it is larger than the sum of its proper divisors (721028926).

1442057846 is an equidigital number, since it uses as much as digits as its factorization.

1442057846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721028925.

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 1442057846 is about 37974.4367436832. The cubic root of 1442057846 is about 1129.7808972956.

The spelling of 1442057846 in words is "one billion, four hundred forty-two million, fifty-seven thousand, eight hundred forty-six".