1157818443 has 8 divisors (see below), whose sum is σ = 1572885648. Its totient is φ = 757315104.

The previous prime is 1157818427. The next prime is 1157818451. The reversal of 1157818443 is 3448187511.

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

It is not a de Polignac number, because 1157818443 - 2⁴ = 1157818427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1157818395 and 1157818404.

It is not an unprimeable number, because it can be changed into a prime (1157818463) 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, 3640780 + ... + 3641097.

It is an arithmetic number, because the mean of its divisors is an integer number (196610706).

Almost surely, 2^1157818443 is an apocalyptic number.

1157818443 is a deficient number, since it is larger than the sum of its proper divisors (415067205).

1157818443 is an equidigital number, since it uses as much as digits as its factorization.

1157818443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281933.

The product of its digits is 107520, while the sum is 42.

The square root of 1157818443 is about 34026.7313005525. The cubic root of 1157818443 is about 1050.0584829104.

The spelling of 1157818443 in words is "one billion, one hundred fifty-seven million, eight hundred eighteen thousand, four hundred forty-three".