1153455433 has 8 divisors (see below), whose sum is σ = 1243521608. Its totient is φ = 1063580544.

The previous prime is 1153455431. The next prime is 1153455437. The reversal of 1153455433 is 3345543511.

It can be written as a sum of positive squares in 4 ways, for example, as 31674384 + 1121781049 = 5628^2 + 33493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1153455433 - 2¹ = 1153455431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153455431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35166 + ... + 59527.

It is an arithmetic number, because the mean of its divisors is an integer number (155440201).

Almost surely, 2^1153455433 is an apocalyptic number.

1153455433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1153455433 is a deficient number, since it is larger than the sum of its proper divisors (90066175).

1153455433 is an equidigital number, since it uses as much as digits as its factorization.

1153455433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95643.

The product of its digits is 54000, while the sum is 34.

The square root of 1153455433 is about 33962.5592822449. The cubic root of 1153455433 is about 1048.7378433671.

Adding to 1153455433 its reverse (3345543511), we get a palindrome (4498998944).

The spelling of 1153455433 in words is "one billion, one hundred fifty-three million, four hundred fifty-five thousand, four hundred thirty-three".