1445355125 has 16 divisors (see below), whose sum is σ = 1807583232. Its totient is φ = 1153861200.

The previous prime is 1445355101. The next prime is 1445355133. The reversal of 1445355125 is 5215535441.

It is not a de Polignac number, because 1445355125 - 2¹⁰ = 1445354101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49004 + ... + 72746.

It is an arithmetic number, because the mean of its divisors is an integer number (112973952).

Almost surely, 2^1445355125 is an apocalyptic number.

It is an amenable number.

1445355125 is a deficient number, since it is larger than the sum of its proper divisors (362228107).

1445355125 is an equidigital number, since it uses as much as digits as its factorization.

1445355125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24245 (or 24235 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 1445355125 is about 38017.8264107774. The cubic root of 1445355125 is about 1130.6413267625.

The spelling of 1445355125 in words is "one billion, four hundred forty-five million, three hundred fifty-five thousand, one hundred twenty-five".