1145532656 has 10 divisors (see below), whose sum is σ = 2219469552. Its totient is φ = 572766320.

The previous prime is 1145532649. The next prime is 1145532671. The reversal of 1145532656 is 6562355411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35797880 + ... + 35797911.

Almost surely, 2^1145532656 is an apocalyptic number.

1145532656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1145532656 is a deficient number, since it is larger than the sum of its proper divisors (1073936896).

1145532656 is an equidigital number, since it uses as much as digits as its factorization.

1145532656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71595799 (or 71595793 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The square root of 1145532656 is about 33845.7184293671. The cubic root of 1145532656 is about 1046.3311580103.

The spelling of 1145532656 in words is "one billion, one hundred forty-five million, five hundred thirty-two thousand, six hundred fifty-six".