125245445 has 16 divisors (see below), whose sum is σ = 164277120. Its totient is φ = 91105344.

The previous prime is 125245441. The next prime is 125245453. The reversal of 125245445 is 544542521.

It is a cyclic number.

It is not a de Polignac number, because 125245445 - 2² = 125245441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125245441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10025 + ... + 18734.

It is an arithmetic number, because the mean of its divisors is an integer number (10267320).

Almost surely, 2^125245445 is an apocalyptic number.

It is an amenable number.

125245445 is a deficient number, since it is larger than the sum of its proper divisors (39031675).

125245445 is a wasteful number, since it uses less digits than its factorization.

125245445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28844.

The product of its digits is 32000, while the sum is 32.

The square root of 125245445 is about 11191.3111385574. The cubic root of 125245445 is about 500.3270460351.

Adding to 125245445 its reverse (544542521), we get a palindrome (669787966).

The spelling of 125245445 in words is "one hundred twenty-five million, two hundred forty-five thousand, four hundred forty-five".