1157344885 has 8 divisors (see below), whose sum is σ = 1412353440. Its totient is φ = 910182864.

The previous prime is 1157344879. The next prime is 1157344907. The reversal of 1157344885 is 5884437511.

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 1157344885 - 2⁹ = 1157344373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1961307 + ... + 1961896.

It is an arithmetic number, because the mean of its divisors is an integer number (176544180).

Almost surely, 2^1157344885 is an apocalyptic number.

It is an amenable number.

1157344885 is a deficient number, since it is larger than the sum of its proper divisors (255008555).

1157344885 is an equidigital number, since it uses as much as digits as its factorization.

1157344885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923267.

The product of its digits is 537600, while the sum is 46.

The square root of 1157344885 is about 34019.7719716050. The cubic root of 1157344885 is about 1049.9153023140.

The spelling of 1157344885 in words is "one billion, one hundred fifty-seven million, three hundred forty-four thousand, eight hundred eighty-five".