1152243545 has 8 divisors (see below), whose sum is σ = 1383772680. Its totient is φ = 921074560.

The previous prime is 1152243511. The next prime is 1152243551. The reversal of 1152243545 is 5453422511.

It can be written as a sum of positive squares in 4 ways, for example, as 70425664 + 1081817881 = 8392^2 + 32891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1152243545 - 2¹⁴ = 1152227161 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 82946 + ... + 95835.

It is an arithmetic number, because the mean of its divisors is an integer number (172971585).

Almost surely, 2^1152243545 is an apocalyptic number.

It is an amenable number.

1152243545 is a deficient number, since it is larger than the sum of its proper divisors (231529135).

1152243545 is a wasteful number, since it uses less digits than its factorization.

1152243545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180075.

The product of its digits is 24000, while the sum is 32.

The square root of 1152243545 is about 33944.7130640399. The cubic root of 1152243545 is about 1048.3704261430.

The spelling of 1152243545 in words is "one billion, one hundred fifty-two million, two hundred forty-three thousand, five hundred forty-five".