1442263 has 8 divisors (see below), whose sum is σ = 1563408. Its totient is φ = 1325184.

The previous prime is 1442251. The next prime is 1442267. The reversal of 1442263 is 3622441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1442263 - 2⁹ = 1441751 is a prime.

It is a super-2 number, since 2×1442263² = 4160245122338, which contains 22 as substring.

It is a Duffinian number.

1442263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (195426).

2^1442263 is an apocalyptic number.

1442263 is a deficient number, since it is larger than the sum of its proper divisors (121145).

1442263 is a wasteful number, since it uses less digits than its factorization.

1442263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033.

The product of its digits is 1152, while the sum is 22.

The square root of 1442263 is about 1200.9425465025. The cubic root of 1442263 is about 112.9834470754.

The spelling of 1442263 in words is "one million, four hundred forty-two thousand, two hundred sixty-three".