1154231441 has 8 divisors (see below), whose sum is σ = 1260006624. Its totient is φ = 1048597120.

The previous prime is 1154231423. The next prime is 1154231443. The reversal of 1154231441 is 1441324511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1154231441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1154231441.

It is not an unprimeable number, because it can be changed into a prime (1154231443) 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, 17696 + ... + 51201.

It is an arithmetic number, because the mean of its divisors is an integer number (157500828).

Almost surely, 2^1154231441 is an apocalyptic number.

1154231441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1154231441 is a deficient number, since it is larger than the sum of its proper divisors (105775183).

1154231441 is a wasteful number, since it uses less digits than its factorization.

1154231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70431.

The product of its digits is 1920, while the sum is 26.

The square root of 1154231441 is about 33973.9818243314. The cubic root of 1154231441 is about 1048.9729764276.

Adding to 1154231441 its reverse (1441324511), we get a palindrome (2595555952).

The spelling of 1154231441 in words is "one billion, one hundred fifty-four million, two hundred thirty-one thousand, four hundred forty-one".