1152073045 has 4 divisors (see below), whose sum is σ = 1382487660. Its totient is φ = 921658432.

The previous prime is 1152073019. The next prime is 1152073061. The reversal of 1152073045 is 5403702511.

It is a happy number.

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 225540324 + 926532721 = 15018^2 + 30439^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152073045 - 2⁹ = 1152072533 is a prime.

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, 115207300 + ... + 115207309.

It is an arithmetic number, because the mean of its divisors is an integer number (345621915).

Almost surely, 2^1152073045 is an apocalyptic number.

It is an amenable number.

1152073045 is a deficient number, since it is larger than the sum of its proper divisors (230414615).

1152073045 is an equidigital number, since it uses as much as digits as its factorization.

1152073045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230414614.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1152073045 is about 33942.2015343731. The cubic root of 1152073045 is about 1048.3187137031.

Adding to 1152073045 its reverse (5403702511), we get a palindrome (6555775556).

The spelling of 1152073045 in words is "one billion, one hundred fifty-two million, seventy-three thousand, forty-five".