1154115141 has 8 divisors (see below), whose sum is σ = 1574606880. Its totient is φ = 751516752.

The previous prime is 1154115113. The next prime is 1154115223. The reversal of 1154115141 is 1415114511.

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

It is not a de Polignac number, because 1154115141 - 2⁶ = 1154115077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154115101) 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 7 ways as a sum of consecutive naturals, for example, 4473186 + ... + 4473443.

It is an arithmetic number, because the mean of its divisors is an integer number (196825860).

Almost surely, 2^1154115141 is an apocalyptic number.

It is an amenable number.

1154115141 is a deficient number, since it is larger than the sum of its proper divisors (420491739).

1154115141 is an equidigital number, since it uses as much as digits as its factorization.

1154115141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946675.

The product of its digits is 400, while the sum is 24.

The square root of 1154115141 is about 33972.2701773078. The cubic root of 1154115141 is about 1048.9377438476.

Adding to 1154115141 its reverse (1415114511), we get a palindrome (2569229652).

The spelling of 1154115141 in words is "one billion, one hundred fifty-four million, one hundred fifteen thousand, one hundred forty-one".