1448375625 has 30 divisors (see below), whose sum is σ = 2614295970. Its totient is φ = 772464000.

The previous prime is 1448375609. The next prime is 1448375629. The reversal of 1448375625 is 5265738441.

1448375625 is a `hidden beast` number, since 1 + 4 + 4 + 83 + 7 + 562 + 5 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 884408121 + 563967504 = 29739^2 + 23748^2 .

It is not a de Polignac number, because 1448375625 - 2⁴ = 1448375609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1448375629) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 123120 + ... + 134369.

It is an arithmetic number, because the mean of its divisors is an integer number (87143199).

Almost surely, 2^1448375625 is an apocalyptic number.

1448375625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1448375625 is a deficient number, since it is larger than the sum of its proper divisors (1165920345).

1448375625 is an equidigital number, since it uses as much as digits as its factorization.

1448375625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257515 (or 257497 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 1448375625 is about 38057.5304637597. The cubic root of 1448375625 is about 1131.4283826837.

The spelling of 1448375625 in words is "one billion, four hundred forty-eight million, three hundred seventy-five thousand, six hundred twenty-five".