1157718145 has 8 divisors (see below), whose sum is σ = 1389459456. Its totient is φ = 926042736.

The previous prime is 1157718137. The next prime is 1157718161. The reversal of 1157718145 is 5418177511.

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 1157718145 - 2³ = 1157718137 is a prime.

It is a super-2 number, since 2×1157718145² = 2680622606524482050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1157718098 and 1157718107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39424 + ... + 62206.

It is an arithmetic number, because the mean of its divisors is an integer number (173682432).

Almost surely, 2^1157718145 is an apocalyptic number.

It is an amenable number.

1157718145 is a deficient number, since it is larger than the sum of its proper divisors (231741311).

1157718145 is a wasteful number, since it uses less digits than its factorization.

1157718145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32951.

The product of its digits is 39200, while the sum is 40.

The square root of 1157718145 is about 34025.2574567776. The cubic root of 1157718145 is about 1050.0281609983.

The spelling of 1157718145 in words is "one billion, one hundred fifty-seven million, seven hundred eighteen thousand, one hundred forty-five".