1445272125 has 64 divisors (see below), whose sum is σ = 2650302720. Its totient is φ = 693600000.

The previous prime is 1445272123. The next prime is 1445272151. The reversal of 1445272125 is 5212725441.

It is not a de Polignac number, because 1445272125 - 2¹ = 1445272123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445272121) 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, 414891 + ... + 418359.

It is an arithmetic number, because the mean of its divisors is an integer number (41410980).

Almost surely, 2^1445272125 is an apocalyptic number.

1445272125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445272125 is a deficient number, since it is larger than the sum of its proper divisors (1205030595).

1445272125 is a wasteful number, since it uses less digits than its factorization.

1445272125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599 (or 3589 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 1445272125 is about 38016.7348019264. The cubic root of 1445272125 is about 1130.6196838632.

Adding to 1445272125 its reverse (5212725441), we get a palindrome (6657997566).

The spelling of 1445272125 in words is "one billion, four hundred forty-five million, two hundred seventy-two thousand, one hundred twenty-five".