1155345514 has 4 divisors (see below), whose sum is σ = 1733018274. Its totient is φ = 577672756.

The previous prime is 1155345511. The next prime is 1155345539. The reversal of 1155345514 is 4155435511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 587238289 + 568107225 = 24233^2 + 23835^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1155345514.

It is not an unprimeable number, because it can be changed into a prime (1155345511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288836377 + ... + 288836380.

Almost surely, 2^1155345514 is an apocalyptic number.

1155345514 is a deficient number, since it is larger than the sum of its proper divisors (577672760).

1155345514 is an equidigital number, since it uses as much as digits as its factorization.

1155345514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577672759.

The product of its digits is 30000, while the sum is 34.

The square root of 1155345514 is about 33990.3738431927. The cubic root of 1155345514 is about 1049.3103601446.

The spelling of 1155345514 in words is "one billion, one hundred fifty-five million, three hundred forty-five thousand, five hundred fourteen".