1157545268 has 12 divisors (see below), whose sum is σ = 2209859232. Its totient is φ = 526156920.

The previous prime is 1157545261. The next prime is 1157545271. The reversal of 1157545268 is 8625457511.

It is a super-2 number, since 2×1157545268² = 2679822094938383648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 26307847 = 1157545268 / (1 + 1 + 5 + 7 + 5 + 4 + 5 + 2 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157545261) 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, 13153880 + ... + 13153967.

It is an arithmetic number, because the mean of its divisors is an integer number (184154936).

Almost surely, 2^1157545268 is an apocalyptic number.

It is an amenable number.

1157545268 is a deficient number, since it is larger than the sum of its proper divisors (1052313964).

1157545268 is a wasteful number, since it uses less digits than its factorization.

1157545268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26307862 (or 26307860 counting only the distinct ones).

The product of its digits is 336000, while the sum is 44.

The square root of 1157545268 is about 34022.7169403033. The cubic root of 1157545268 is about 1049.9758930217.

The spelling of 1157545268 in words is "one billion, one hundred fifty-seven million, five hundred forty-five thousand, two hundred sixty-eight".