1154445355 has 32 divisors (see below), whose sum is σ = 1600155648. Its totient is φ = 783216000.

The previous prime is 1154445343. The next prime is 1154445359. The reversal of 1154445355 is 5535444511.

It is not a de Polignac number, because 1154445355 - 2⁹ = 1154444843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154445359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1646505 + ... + 1647205.

It is an arithmetic number, because the mean of its divisors is an integer number (50004864).

Almost surely, 2^1154445355 is an apocalyptic number.

1154445355 is a deficient number, since it is larger than the sum of its proper divisors (445710293).

1154445355 is a wasteful number, since it uses less digits than its factorization.

1154445355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147.

The product of its digits is 120000, while the sum is 37.

The square root of 1154445355 is about 33977.1298817307. The cubic root of 1154445355 is about 1049.0377745656.

Adding to 1154445355 its reverse (5535444511), we get a palindrome (6689889866).

The spelling of 1154445355 in words is "one billion, one hundred fifty-four million, four hundred forty-five thousand, three hundred fifty-five".