1375324045 has 4 divisors (see below), whose sum is σ = 1650388860. Its totient is φ = 1100259232.

The previous prime is 1375324039. The next prime is 1375324057. The reversal of 1375324045 is 5404235731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 749773924 + 625550121 = 27382^2 + 25011^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375324045 - 2³ = 1375324037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1375324045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137532400 + ... + 137532409.

It is an arithmetic number, because the mean of its divisors is an integer number (412597215).

Almost surely, 2^1375324045 is an apocalyptic number.

It is an amenable number.

1375324045 is a deficient number, since it is larger than the sum of its proper divisors (275064815).

1375324045 is an equidigital number, since it uses as much as digits as its factorization.

1375324045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275064814.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 1375324045 is about 37085.3615999629. The cubic root of 1375324045 is about 1112.0773923177.

Adding to 1375324045 its reverse (5404235731), we get a palindrome (6779559776).

The spelling of 1375324045 in words is "one billion, three hundred seventy-five million, three hundred twenty-four thousand, forty-five".