125444445 has 64 divisors (see below), whose sum is σ = 250822656. Its totient is φ = 52208640.

The previous prime is 125444437. The next prime is 125444447. The reversal of 125444445 is 544444521.

It is not a de Polignac number, because 125444445 - 2³ = 125444437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125444447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54202 + ... + 56468.

It is an arithmetic number, because the mean of its divisors is an integer number (3919104).

Almost surely, 2^125444445 is an apocalyptic number.

125444445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125444445 is a deficient number, since it is larger than the sum of its proper divisors (125378211).

125444445 is a wasteful number, since it uses less digits than its factorization.

125444445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330.

The product of its digits is 51200, while the sum is 33.

The square root of 125444445 is about 11200.1984357421. The cubic root of 125444445 is about 500.5918923837.

Adding to 125444445 its reverse (544444521), we get a palindrome (669888966).

The spelling of 125444445 in words is "one hundred twenty-five million, four hundred forty-four thousand, four hundred forty-five".