1146155605 has 16 divisors (see below), whose sum is σ = 1572848640. Its totient is φ = 785446272.

The previous prime is 1146155579. The next prime is 1146155609. The reversal of 1146155605 is 5065516411.

1146155605 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1146155605 - 2⁹ = 1146155093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146155609) by changing a digit.

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, 52257 + ... + 70873.

It is an arithmetic number, because the mean of its divisors is an integer number (98303040).

Almost surely, 2^1146155605 is an apocalyptic number.

It is an amenable number.

1146155605 is a deficient number, since it is larger than the sum of its proper divisors (426693035).

1146155605 is a wasteful number, since it uses less digits than its factorization.

1146155605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20388.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 1146155605 is about 33854.9199526450. The cubic root of 1146155605 is about 1046.5207911409.

The spelling of 1146155605 in words is "one billion, one hundred forty-six million, one hundred fifty-five thousand, six hundred five".