1145514043 has 8 divisors (see below), whose sum is σ = 1245678912. Its totient is φ = 1048991616.

The previous prime is 1145514037. The next prime is 1145514079. The reversal of 1145514043 is 3404155411.

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 1145514043 - 2⁹ = 1145513531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145514743) 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, 909955 + ... + 911212.

It is an arithmetic number, because the mean of its divisors is an integer number (155709864).

Almost surely, 2^1145514043 is an apocalyptic number.

1145514043 is a deficient number, since it is larger than the sum of its proper divisors (100164869).

1145514043 is a wasteful number, since it uses less digits than its factorization.

1145514043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821221.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1145514043 is about 33845.4434599401. The cubic root of 1145514043 is about 1046.3254909328.

Adding to 1145514043 its reverse (3404155411), we get a palindrome (4549669454).

The spelling of 1145514043 in words is "one billion, one hundred forty-five million, five hundred fourteen thousand, forty-three".