1154045345 has 4 divisors (see below), whose sum is σ = 1384854420. Its totient is φ = 923236272.

The previous prime is 1154045329. The next prime is 1154045359. The reversal of 1154045345 is 5435404511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 244359424 + 909685921 = 15632^2 + 30161^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154045345 - 2⁴ = 1154045329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115404530 + ... + 115404539.

It is an arithmetic number, because the mean of its divisors is an integer number (346213605).

Almost surely, 2^1154045345 is an apocalyptic number.

It is an amenable number.

1154045345 is a deficient number, since it is larger than the sum of its proper divisors (230809075).

1154045345 is an equidigital number, since it uses as much as digits as its factorization.

1154045345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230809074.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1154045345 is about 33971.2429122044. The cubic root of 1154045345 is about 1048.9165983160.

Adding to 1154045345 its reverse (5435404511), we get a palindrome (6589449856).

The spelling of 1154045345 in words is "one billion, one hundred fifty-four million, forty-five thousand, three hundred forty-five".