1145844083 has 4 divisors (see below), whose sum is σ = 1176812880. Its totient is φ = 1114875288.

The previous prime is 1145844043. The next prime is 1145844131. The reversal of 1145844083 is 3804485411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3804485411 = 239 ⋅15918349.

It is a cyclic number.

It is not a de Polignac number, because 1145844083 - 2¹² = 1145839987 is a prime.

It is a super-3 number, since 3×1145844083³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145844043) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 15484343 + ... + 15484416.

It is an arithmetic number, because the mean of its divisors is an integer number (294203220).

Almost surely, 2^1145844083 is an apocalyptic number.

1145844083 is a deficient number, since it is larger than the sum of its proper divisors (30968797).

1145844083 is an equidigital number, since it uses as much as digits as its factorization.

1145844083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30968796.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 1145844083 is about 33850.3188020438. The cubic root of 1145844083 is about 1046.4259687074.

The spelling of 1145844083 in words is "one billion, one hundred forty-five million, eight hundred forty-four thousand, eighty-three".