1154645329 has 4 divisors (see below), whose sum is σ = 1155378160. Its totient is φ = 1153912500.

The previous prime is 1154645309. The next prime is 1154645351. The reversal of 1154645329 is 9235464511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1154645329 - 2⁷ = 1154645201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154645291 and 1154645300.

It is not an unprimeable number, because it can be changed into a prime (1154645309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364047 + ... + 367204.

It is an arithmetic number, because the mean of its divisors is an integer number (288844540).

Almost surely, 2^1154645329 is an apocalyptic number.

It is an amenable number.

1154645329 is a deficient number, since it is larger than the sum of its proper divisors (732831).

1154645329 is an equidigital number, since it uses as much as digits as its factorization.

1154645329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732830.

The product of its digits is 129600, while the sum is 40.

The square root of 1154645329 is about 33980.0725278802. The cubic root of 1154645329 is about 1049.0983428052.

The spelling of 1154645329 in words is "one billion, one hundred fifty-four million, six hundred forty-five thousand, three hundred twenty-nine".