1154433055 has 4 divisors (see below), whose sum is σ = 1385319672. Its totient is φ = 923546440.

The previous prime is 1154433053. The next prime is 1154433079. The reversal of 1154433055 is 5503344511.

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

It is not a de Polignac number, because 1154433055 - 2¹ = 1154433053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154433053) 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, 115443301 + ... + 115443310.

It is an arithmetic number, because the mean of its divisors is an integer number (346329918).

Almost surely, 2^1154433055 is an apocalyptic number.

1154433055 is a deficient number, since it is larger than the sum of its proper divisors (230886617).

1154433055 is an equidigital number, since it uses as much as digits as its factorization.

1154433055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230886616.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1154433055 is about 33976.9488771432. The cubic root of 1154433055 is about 1049.0340489063.

Adding to 1154433055 its reverse (5503344511), we get a palindrome (6657777566).

The spelling of 1154433055 in words is "one billion, one hundred fifty-four million, four hundred thirty-three thousand, fifty-five".