1157530064 has 10 divisors (see below), whose sum is σ = 2242714530. Its totient is φ = 578765024.

The previous prime is 1157530063. The next prime is 1157530069. The reversal of 1157530064 is 4600357511.

It can be written as a sum of positive squares in only one way, i.e., 720385600 + 437144464 = 26840^2 + 20908^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1157530064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157530063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36172799 + ... + 36172830.

It is an arithmetic number, because the mean of its divisors is an integer number (224271453).

Almost surely, 2^1157530064 is an apocalyptic number.

It is an amenable number.

1157530064 is a deficient number, since it is larger than the sum of its proper divisors (1085184466).

1157530064 is an equidigital number, since it uses as much as digits as its factorization.

1157530064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72345637 (or 72345631 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1157530064 is about 34022.4935006240. The cubic root of 1157530064 is about 1049.9712959651.

Adding to 1157530064 its reverse (4600357511), we get a palindrome (5757887575).

The spelling of 1157530064 in words is "one billion, one hundred fifty-seven million, five hundred thirty thousand, sixty-four".