1442263073 has 4 divisors (see below), whose sum is σ = 1451449620. Its totient is φ = 1433076528.

The previous prime is 1442263033. The next prime is 1442263079. The reversal of 1442263073 is 3703622441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3703622441 = 743 ⋅4984687.

It can be written as a sum of positive squares in 2 ways, for example, as 988913809 + 453349264 = 31447^2 + 21292^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442263073 - 2¹⁰ = 1442262049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1442263079) 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, 4593038 + ... + 4593351.

It is an arithmetic number, because the mean of its divisors is an integer number (362862405).

Almost surely, 2^1442263073 is an apocalyptic number.

It is an amenable number.

1442263073 is a deficient number, since it is larger than the sum of its proper divisors (9186547).

1442263073 is an equidigital number, since it uses as much as digits as its factorization.

1442263073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9186546.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 1442263073 is about 37977.1388206115. The cubic root of 1442263073 is about 1129.8344898165.

The spelling of 1442263073 in words is "one billion, four hundred forty-two million, two hundred sixty-three thousand, seventy-three".