1145668037 has 4 divisors (see below), whose sum is σ = 1176632076. Its totient is φ = 1114704000.

The previous prime is 1145668021. The next prime is 1145668079. The reversal of 1145668037 is 7308665411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 737991556 + 407676481 = 27166^2 + 20191^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145668037 - 2⁴ = 1145668021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145667985 and 1145668003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145628037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15481964 + ... + 15482037.

It is an arithmetic number, because the mean of its divisors is an integer number (294158019).

Almost surely, 2^1145668037 is an apocalyptic number.

It is an amenable number.

1145668037 is a deficient number, since it is larger than the sum of its proper divisors (30964039).

1145668037 is an equidigital number, since it uses as much as digits as its factorization.

1145668037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30964038.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1145668037 is about 33847.7183426003. The cubic root of 1145668037 is about 1046.3723754527.

The spelling of 1145668037 in words is "one billion, one hundred forty-five million, six hundred sixty-eight thousand, thirty-seven".