1154145 has 8 divisors (see below), whose sum is σ = 1846656. Its totient is φ = 615536.

The previous prime is 1154129. The next prime is 1154159. The reversal of 1154145 is 5414511.

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 1154145 - 2⁴ = 1154129 is a prime.

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, 38457 + ... + 38486.

It is an arithmetic number, because the mean of its divisors is an integer number (230832).

2^1154145 is an apocalyptic number.

1154145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1154145 is a deficient number, since it is larger than the sum of its proper divisors (692511).

1154145 is an equidigital number, since it uses as much as digits as its factorization.

1154145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76951.

The product of its digits is 400, while the sum is 21.

The square root of 1154145 is about 1074.3114073675. The cubic root of 1154145 is about 104.8946789728.

Adding to 1154145 its reverse (5414511), we get a palindrome (6568656).

It can be divided in two parts, 11 and 54145, that multiplied together give a palindrome (595595).

The spelling of 1154145 in words is "one million, one hundred fifty-four thousand, one hundred forty-five".