1155595645 has 8 divisors (see below), whose sum is σ = 1406246400. Its totient is φ = 911455440.

The previous prime is 1155595603. The next prime is 1155595657. The reversal of 1155595645 is 5465955511.

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

It is not a de Polignac number, because 1155595645 - 2¹³ = 1155587453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155595595 and 1155595604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1627245 + ... + 1627954.

It is an arithmetic number, because the mean of its divisors is an integer number (175780800).

Almost surely, 2^1155595645 is an apocalyptic number.

It is an amenable number.

1155595645 is a deficient number, since it is larger than the sum of its proper divisors (250650755).

1155595645 is an equidigital number, since it uses as much as digits as its factorization.

1155595645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255275.

The product of its digits is 675000, while the sum is 46.

The square root of 1155595645 is about 33994.0530828555. The cubic root of 1155595645 is about 1049.3860795167.

The spelling of 1155595645 in words is "one billion, one hundred fifty-five million, five hundred ninety-five thousand, six hundred forty-five".