1145044667 has 4 divisors (see below), whose sum is σ = 1233125040. Its totient is φ = 1056964296.

The previous prime is 1145044657. The next prime is 1145044697. The reversal of 1145044667 is 7664405411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145044667 - 2⁴ = 1145044651 is a prime.

It is a super-2 number, since 2×1145044667² = 2622254578850281778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145044667.

It is not an unprimeable number, because it can be changed into a prime (1145044657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44040167 + ... + 44040192.

It is an arithmetic number, because the mean of its divisors is an integer number (308281260).

Almost surely, 2^1145044667 is an apocalyptic number.

1145044667 is a deficient number, since it is larger than the sum of its proper divisors (88080373).

1145044667 is an equidigital number, since it uses as much as digits as its factorization.

1145044667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88080372.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1145044667 is about 33838.5086403051. The cubic root of 1145044667 is about 1046.1825602922.

The spelling of 1145044667 in words is "one billion, one hundred forty-five million, forty-four thousand, six hundred sixty-seven".