1155356345 has 32 divisors (see below), whose sum is σ = 1635137280. Its totient is φ = 772611840.

The previous prime is 1155356299. The next prime is 1155356357. The reversal of 1155356345 is 5436535511.

It is not a de Polignac number, because 1155356345 - 2⁸ = 1155356089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155356299 and 1155356308.

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 31 ways as a sum of consecutive naturals, for example, 189332 + ... + 195338.

It is an arithmetic number, because the mean of its divisors is an integer number (51098040).

Almost surely, 2^1155356345 is an apocalyptic number.

It is an amenable number.

1155356345 is a deficient number, since it is larger than the sum of its proper divisors (479780935).

1155356345 is a wasteful number, since it uses less digits than its factorization.

1155356345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305.

The product of its digits is 135000, while the sum is 38.

The square root of 1155356345 is about 33990.5331673394. The cubic root of 1155356345 is about 1049.3136391189.

The spelling of 1155356345 in words is "one billion, one hundred fifty-five million, three hundred fifty-six thousand, three hundred forty-five".