1147017145 has 8 divisors (see below), whose sum is σ = 1384865856. Its totient is φ = 911983536.

The previous prime is 1147017127. The next prime is 1147017169. The reversal of 1147017145 is 5417107411.

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

It is a cyclic number.

It is not a de Polignac number, because 1147017145 - 2⁷ = 1147017017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702877 + ... + 704506.

It is an arithmetic number, because the mean of its divisors is an integer number (173108232).

Almost surely, 2^1147017145 is an apocalyptic number.

It is an amenable number.

1147017145 is a deficient number, since it is larger than the sum of its proper divisors (237848711).

1147017145 is a wasteful number, since it uses less digits than its factorization.

1147017145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407551.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 1147017145 is about 33867.6415624118. The cubic root of 1147017145 is about 1046.7829410338.

The spelling of 1147017145 in words is "one billion, one hundred forty-seven million, seventeen thousand, one hundred forty-five".