1157145659 has 8 divisors (see below), whose sum is σ = 1189029120. Its totient is φ = 1125294336.

The previous prime is 1157145653. The next prime is 1157145667. The reversal of 1157145659 is 9565417511.

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 1157145659 - 2⁴ = 1157145643 is a prime.

It is a super-2 number, since 2×1157145659² = 2677972152285088562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157145653) 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, 77222 + ... + 90980.

It is an arithmetic number, because the mean of its divisors is an integer number (148628640).

Almost surely, 2^1157145659 is an apocalyptic number.

1157145659 is a deficient number, since it is larger than the sum of its proper divisors (31883461).

1157145659 is a wasteful number, since it uses less digits than its factorization.

1157145659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16069.

The product of its digits is 189000, while the sum is 44.

The square root of 1157145659 is about 34016.8437542345. The cubic root of 1157145659 is about 1049.8550545198.

The spelling of 1157145659 in words is "one billion, one hundred fifty-seven million, one hundred forty-five thousand, six hundred fifty-nine".