1442000025 has 36 divisors (see below), whose sum is σ = 2618192668. Its totient is φ = 758522880.

The previous prime is 1442000017. The next prime is 1442000029. The reversal of 1442000025 is 5200002441.

It can be written as a sum of positive squares in 6 ways, for example, as 317873241 + 1124126784 = 17829^2 + 33528^2 .

It is not a de Polignac number, because 1442000025 - 2³ = 1442000017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1441999971 and 1442000007.

It is not an unprimeable number, because it can be changed into a prime (1442000029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27472 + ... + 60321.

Almost surely, 2^1442000025 is an apocalyptic number.

1442000025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442000025 is a deficient number, since it is larger than the sum of its proper divisors (1176192643).

1442000025 is a wasteful number, since it uses less digits than its factorization.

1442000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87882 (or 87874 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1442000025 is about 37973.6754212705. The cubic root of 1442000025 is about 1129.7657971306.

Adding to 1442000025 its reverse (5200002441), we get a palindrome (6642002466).

The spelling of 1442000025 in words is "one billion, four hundred forty-two million, twenty-five", and thus it is an aban number.