1444023425 has 24 divisors (see below), whose sum is σ = 1964733624. Its totient is φ = 1046223360.

The previous prime is 1444023311. The next prime is 1444023461. The reversal of 1444023425 is 5243204441.

It can be written as a sum of positive squares in 12 ways, for example, as 487482241 + 956541184 = 22079^2 + 30928^2 .

It is not a de Polignac number, because 1444023425 - 2⁸ = 1444023169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24692 + ... + 59141.

It is an arithmetic number, because the mean of its divisors is an integer number (81863901).

Almost surely, 2^1444023425 is an apocalyptic number.

It is an amenable number.

1444023425 is a deficient number, since it is larger than the sum of its proper divisors (520710199).

1444023425 is a wasteful number, since it uses less digits than its factorization.

1444023425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83909 (or 83904 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 1444023425 is about 38000.3082224342. The cubic root of 1444023425 is about 1130.2939755150.

Adding to 1444023425 its reverse (5243204441), we get a palindrome (6687227866).

The spelling of 1444023425 in words is "one billion, four hundred forty-four million, twenty-three thousand, four hundred twenty-five".