1154945833 has 4 divisors (see below), whose sum is σ = 1155396240. Its totient is φ = 1154495428.

The previous prime is 1154945821. The next prime is 1154945839. The reversal of 1154945833 is 3385494511.

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 1154945833 - 2⁵ = 1154945801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1154945833.

It is not an unprimeable number, because it can be changed into a prime (1154945839) 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, 221335 + ... + 226492.

It is an arithmetic number, because the mean of its divisors is an integer number (288849060).

Almost surely, 2^1154945833 is an apocalyptic number.

It is an amenable number.

1154945833 is a deficient number, since it is larger than the sum of its proper divisors (450407).

1154945833 is an equidigital number, since it uses as much as digits as its factorization.

1154945833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450406.

The product of its digits is 259200, while the sum is 43.

The square root of 1154945833 is about 33984.4940082974. The cubic root of 1154945833 is about 1049.1893464797.

The spelling of 1154945833 in words is "one billion, one hundred fifty-four million, nine hundred forty-five thousand, eight hundred thirty-three".