1442609 has 12 divisors (see below), whose sum is σ = 1710000. Its totient is φ = 1213128.

The previous prime is 1442599. The next prime is 1442611. The reversal of 1442609 is 9062441.

1442609 = 147² + 148² + ... + 195².

1442609 = 56³ + 57³ + ... + 62³.

It is a de Polignac number, because none of the positive numbers 2^k-1442609 is a prime.

It is a super-2 number, since 2×1442609² = 4162241453762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1442669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2642 + ... + 3140.

It is an arithmetic number, because the mean of its divisors is an integer number (142500).

2^1442609 is an apocalyptic number.

It is an amenable number.

1442609 is a deficient number, since it is larger than the sum of its proper divisors (267391).

1442609 is an equidigital number, since it uses as much as digits as its factorization.

1442609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1442609 is about 1201.0865913830. The cubic root of 1442609 is about 112.9924812916.

The spelling of 1442609 in words is "one million, four hundred forty-two thousand, six hundred nine".