1442873099 has 4 divisors (see below), whose sum is σ = 1505606736. Its totient is φ = 1380139464.

The previous prime is 1442873059. The next prime is 1442873119. The reversal of 1442873099 is 9903782441.

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

It is a cyclic number.

It is not a de Polignac number, because 1442873099 - 2¹² = 1442869003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442873039) 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, 31366784 + ... + 31366829.

It is an arithmetic number, because the mean of its divisors is an integer number (376401684).

Almost surely, 2^1442873099 is an apocalyptic number.

1442873099 is a deficient number, since it is larger than the sum of its proper divisors (62733637).

1442873099 is an equidigital number, since it uses as much as digits as its factorization.

1442873099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62733636.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 1442873099 is about 37985.1694612516. The cubic root of 1442873099 is about 1129.9937606359.

The spelling of 1442873099 in words is "one billion, four hundred forty-two million, eight hundred seventy-three thousand, ninety-nine".