1445540125 has 16 divisors (see below), whose sum is σ = 1807970112. Its totient is φ = 1153909200.

The previous prime is 1445540101. The next prime is 1445540207. The reversal of 1445540125 is 5210455441.

It is a happy number.

It is not a de Polignac number, because 1445540125 - 2⁵ = 1445540093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45994 + ... + 70756.

It is an arithmetic number, because the mean of its divisors is an integer number (112998132).

Almost surely, 2^1445540125 is an apocalyptic number.

It is an amenable number.

1445540125 is a deficient number, since it is larger than the sum of its proper divisors (362429987).

1445540125 is an equidigital number, since it uses as much as digits as its factorization.

1445540125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25245 (or 25235 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 1445540125 is about 38020.2594020609. The cubic root of 1445540125 is about 1130.6895639785.

Adding to 1445540125 its reverse (5210455441), we get a palindrome (6655995566).

The spelling of 1445540125 in words is "one billion, four hundred forty-five million, five hundred forty thousand, one hundred twenty-five".