1154315343 has 4 divisors (see below), whose sum is σ = 1539087128. Its totient is φ = 769543560.

The previous prime is 1154315311. The next prime is 1154315359. The reversal of 1154315343 is 3435134511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1154315343 - 2⁵ = 1154315311 is a prime.

It is a super-2 number, since 2×1154315343² = 2664887822170415298, which contains 22 as substring.

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 1154315343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154315363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192385888 + ... + 192385893.

It is an arithmetic number, because the mean of its divisors is an integer number (384771782).

Almost surely, 2^1154315343 is an apocalyptic number.

1154315343 is a deficient number, since it is larger than the sum of its proper divisors (384771785).

1154315343 is an equidigital number, since it uses as much as digits as its factorization.

1154315343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384771784.

The product of its digits is 10800, while the sum is 30.

The square root of 1154315343 is about 33975.2165997511. The cubic root of 1154315343 is about 1048.9983927047.

Adding to 1154315343 its reverse (3435134511), we get a palindrome (4589449854).

The spelling of 1154315343 in words is "one billion, one hundred fifty-four million, three hundred fifteen thousand, three hundred forty-three".