1153155345 has 16 divisors (see below), whose sum is σ = 1850988672. Its totient is φ = 613036160.

The previous prime is 1153155331. The next prime is 1153155379. The reversal of 1153155345 is 5435513511.

It is not a de Polignac number, because 1153155345 - 2⁶ = 1153155281 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118932 + ... + 128261.

It is an arithmetic number, because the mean of its divisors is an integer number (115686792).

Almost surely, 2^1153155345 is an apocalyptic number.

1153155345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153155345 is a deficient number, since it is larger than the sum of its proper divisors (697833327).

1153155345 is a wasteful number, since it uses less digits than its factorization.

1153155345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247512.

The product of its digits is 22500, while the sum is 33.

The square root of 1153155345 is about 33958.1410710304. The cubic root of 1153155345 is about 1048.6468874072.

Adding to 1153155345 its reverse (5435513511), we get a palindrome (6588668856).

The spelling of 1153155345 in words is "one billion, one hundred fifty-three million, one hundred fifty-five thousand, three hundred forty-five".