1442943573 has 4 divisors (see below), whose sum is σ = 1923924768. Its totient is φ = 961962380.

The previous prime is 1442943559. The next prime is 1442943599. The reversal of 1442943573 is 3753492441.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1442943573 - 2¹⁰ = 1442942549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442943373) 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, 240490593 + ... + 240490598.

It is an arithmetic number, because the mean of its divisors is an integer number (480981192).

Almost surely, 2^1442943573 is an apocalyptic number.

It is an amenable number.

1442943573 is a deficient number, since it is larger than the sum of its proper divisors (480981195).

1442943573 is an equidigital number, since it uses as much as digits as its factorization.

1442943573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480981194.

The product of its digits is 362880, while the sum is 42.

The square root of 1442943573 is about 37986.0971014396. The cubic root of 1442943573 is about 1130.0121576994.

The spelling of 1442943573 in words is "one billion, four hundred forty-two million, nine hundred forty-three thousand, five hundred seventy-three".