1445270133 has 16 divisors (see below), whose sum is σ = 1985466176. Its totient is φ = 934727040.

The previous prime is 1445270111. The next prime is 1445270137. The reversal of 1445270133 is 3310725441.

It is a happy number.

It is not a de Polignac number, because 1445270133 - 2¹³ = 1445261941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1445270133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445270137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40735 + ... + 67452.

It is an arithmetic number, because the mean of its divisors is an integer number (124091636).

Almost surely, 2^1445270133 is an apocalyptic number.

It is an amenable number.

1445270133 is a deficient number, since it is larger than the sum of its proper divisors (540196043).

1445270133 is a wasteful number, since it uses less digits than its factorization.

1445270133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108324.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1445270133 is about 38016.7086029288. The cubic root of 1445270133 is about 1130.6191644234.

Adding to 1445270133 its reverse (3310725441), we get a palindrome (4755995574).

The spelling of 1445270133 in words is "one billion, four hundred forty-five million, two hundred seventy thousand, one hundred thirty-three".