1145582961 has 8 divisors (see below), whose sum is σ = 1617293664. Its totient is φ = 718797120.

The previous prime is 1145582953. The next prime is 1145582983. The reversal of 1145582961 is 1692855411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145582961 - 2³ = 1145582953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145582461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11231155 + ... + 11231256.

It is an arithmetic number, because the mean of its divisors is an integer number (202161708).

Almost surely, 2^1145582961 is an apocalyptic number.

It is an amenable number.

1145582961 is a deficient number, since it is larger than the sum of its proper divisors (471710703).

1145582961 is a wasteful number, since it uses less digits than its factorization.

1145582961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22462431.

The product of its digits is 86400, while the sum is 42.

The square root of 1145582961 is about 33846.4615728144. The cubic root of 1145582961 is about 1046.3464740057.

The spelling of 1145582961 in words is "one billion, one hundred forty-five million, five hundred eighty-two thousand, nine hundred sixty-one".