1163727545 has 8 divisors (see below), whose sum is σ = 1402269000. Its totient is φ = 927118080.

The previous prime is 1163727541. The next prime is 1163727547. The reversal of 1163727545 is 5457273611.

It can be written as a sum of positive squares in 4 ways, for example, as 146627881 + 1017099664 = 12109^2 + 31892^2 .

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

It is not a de Polignac number, because 1163727545 - 2² = 1163727541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163727541) 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, 481670 + ... + 484079.

It is an arithmetic number, because the mean of its divisors is an integer number (175283625).

Almost surely, 2^1163727545 is an apocalyptic number.

It is an amenable number.

1163727545 is a deficient number, since it is larger than the sum of its proper divisors (238541455).

1163727545 is an equidigital number, since it uses as much as digits as its factorization.

1163727545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965995.

The product of its digits is 176400, while the sum is 41.

The square root of 1163727545 is about 34113.4510860452. The cubic root of 1163727545 is about 1051.8418300491.

The spelling of 1163727545 in words is "one billion, one hundred sixty-three million, seven hundred twenty-seven thousand, five hundred forty-five".