1145873944 has 8 divisors (see below), whose sum is σ = 2148513660. Its totient is φ = 572936968.

The previous prime is 1145873929. The next prime is 1145874029. The reversal of 1145873944 is 4493785411.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1145873894 and 1145873903.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 71617114 + ... + 71617129.

Almost surely, 2^1145873944 is an apocalyptic number.

It is an amenable number.

1145873944 is a deficient number, since it is larger than the sum of its proper divisors (1002639716).

1145873944 is a wasteful number, since it uses less digits than its factorization.

1145873944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143234249 (or 143234245 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 1145873944 is about 33850.7598733027. The cubic root of 1145873944 is about 1046.4350586743.

The spelling of 1145873944 in words is "one billion, one hundred forty-five million, eight hundred seventy-three thousand, nine hundred forty-four".