1155134345 has 8 divisors (see below), whose sum is σ = 1386348480. Its totient is φ = 923982640.

The previous prime is 1155134263. The next prime is 1155134347. The reversal of 1155134345 is 5434315511.

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

It is not a de Polignac number, because 1155134345 - 2²⁸ = 886698889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1155134347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50786 + ... + 69924.

It is an arithmetic number, because the mean of its divisors is an integer number (173293560).

Almost surely, 2^1155134345 is an apocalyptic number.

It is an amenable number.

1155134345 is a deficient number, since it is larger than the sum of its proper divisors (231214135).

1155134345 is a wasteful number, since it uses less digits than its factorization.

1155134345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31215.

The product of its digits is 18000, while the sum is 32.

The square root of 1155134345 is about 33987.2673953056. The cubic root of 1155134345 is about 1049.2464267965.

Adding to 1155134345 its reverse (5434315511), we get a palindrome (6589449856).

The spelling of 1155134345 in words is "one billion, one hundred fifty-five million, one hundred thirty-four thousand, three hundred forty-five".