1145550443 has 8 divisors (see below), whose sum is σ = 1197060000. Its totient is φ = 1094182848.

The previous prime is 1145550437. The next prime is 1145550449. The reversal of 1145550443 is 3440555411.

It is an interprime number because it is at equal distance from previous prime (1145550437) and next prime (1145550449).

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 1145550443 - 2⁸ = 1145550187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145550449) 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, 18818 + ... + 51431.

It is an arithmetic number, because the mean of its divisors is an integer number (149632500).

Almost surely, 2^1145550443 is an apocalyptic number.

1145550443 is a deficient number, since it is larger than the sum of its proper divisors (51509557).

1145550443 is an equidigital number, since it uses as much as digits as its factorization.

1145550443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70981.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1145550443 is about 33845.9811942275. The cubic root of 1145550443 is about 1046.3365735394.

The spelling of 1145550443 in words is "one billion, one hundred forty-five million, five hundred fifty thousand, four hundred forty-three".