1150320545 has 8 divisors (see below), whose sum is σ = 1505874240. Its totient is φ = 836596720.

The previous prime is 1150320541. The next prime is 1150320569. The reversal of 1150320545 is 5450230511.

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

It is not a de Polignac number, because 1150320545 - 2² = 1150320541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1150320541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10457405 + ... + 10457514.

It is an arithmetic number, because the mean of its divisors is an integer number (188234280).

Almost surely, 2^1150320545 is an apocalyptic number.

It is an amenable number.

1150320545 is a deficient number, since it is larger than the sum of its proper divisors (355553695).

1150320545 is a wasteful number, since it uses less digits than its factorization.

1150320545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20914935.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1150320545 is about 33916.3757645182. The cubic root of 1150320545 is about 1047.7868866354.

The spelling of 1150320545 in words is "one billion, one hundred fifty million, three hundred twenty thousand, five hundred forty-five".