1157530408 has 16 divisors (see below), whose sum is σ = 2298038580. Its totient is φ = 544720128.

The previous prime is 1157530379. The next prime is 1157530417. The reversal of 1157530408 is 8040357511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1142304804 + 15225604 = 33798^2 + 3902^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4255491 + ... + 4255762.

Almost surely, 2^1157530408 is an apocalyptic number.

It is an amenable number.

1157530408 is a deficient number, since it is larger than the sum of its proper divisors (1140508172).

1157530408 is a wasteful number, since it uses less digits than its factorization.

1157530408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511276 (or 8511272 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 1157530408 is about 34022.4985561025. The cubic root of 1157530408 is about 1049.9713999769.

Adding to 1157530408 its reverse (8040357511), we get a palindrome (9197887919).

The spelling of 1157530408 in words is "one billion, one hundred fifty-seven million, five hundred thirty thousand, four hundred eight".