1442825 has 6 divisors (see below), whose sum is σ = 1789134. Its totient is φ = 1154240.

The previous prime is 1442797. The next prime is 1442827. The reversal of 1442825 is 5282441.

1442825 = 100² + 101² + ... + 174².

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 33856 + 1408969 = 184^2 + 1187^2 .

It is not a de Polignac number, because 1442825 - 2¹² = 1438729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442794 and 1442803.

It is not an unprimeable number, because it can be changed into a prime (1442827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28832 + ... + 28881.

It is an arithmetic number, because the mean of its divisors is an integer number (298189).

2^1442825 is an apocalyptic number.

It is an amenable number.

1442825 is a deficient number, since it is larger than the sum of its proper divisors (346309).

1442825 is an equidigital number, since it uses as much as digits as its factorization.

1442825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57723 (or 57718 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 1442825 is about 1201.1765065968. The cubic root of 1442825 is about 112.9981204167.

The spelling of 1442825 in words is "one million, four hundred forty-two thousand, eight hundred twenty-five".