1442557 has 4 divisors (see below), whose sum is σ = 1446336. Its totient is φ = 1438780.

The previous prime is 1442549. The next prime is 1442579. The reversal of 1442557 is 7552441.

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 1442557 - 2³ = 1442549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (361584).

2^1442557 is an apocalyptic number.

It is an amenable number.

1442557 is a deficient number, since it is larger than the sum of its proper divisors (3779).

1442557 is an equidigital number, since it uses as much as digits as its factorization.

1442557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778.

The product of its digits is 5600, while the sum is 28.

The square root of 1442557 is about 1201.0649441225. The cubic root of 1442557 is about 112.9911236404.

Adding to 1442557 its reverse (7552441), we get a palindrome (8994998).

It can be divided in two parts, 144 and 2557, that added together give a triangular number (2701 = T₇₃).

The spelling of 1442557 in words is "one million, four hundred forty-two thousand, five hundred fifty-seven".