1147550443 has 4 divisors (see below), whose sum is σ = 1235823568. Its totient is φ = 1059277320.

The previous prime is 1147550399. The next prime is 1147550479. The reversal of 1147550443 is 3440557411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1147550443 is a prime.

It is a super-3 number, since 3×1147550443³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1147550399 and 1147550408.

It is not an unprimeable number, because it can be changed into a prime (1147550843) 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, 44136543 + ... + 44136568.

It is an arithmetic number, because the mean of its divisors is an integer number (308955892).

Almost surely, 2^1147550443 is an apocalyptic number.

1147550443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1147550443 is a deficient number, since it is larger than the sum of its proper divisors (88273125).

1147550443 is an equidigital number, since it uses as much as digits as its factorization.

1147550443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88273124.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 1147550443 is about 33875.5139149209. The cubic root of 1147550443 is about 1046.9451474885.

It can be divided in two parts, 114 and 7550443, that added together give a palindrome (7550557).

The spelling of 1147550443 in words is "one billion, one hundred forty-seven million, five hundred fifty thousand, four hundred forty-three".