1145089976 has 8 divisors (see below), whose sum is σ = 2147043720. Its totient is φ = 572544984.

The previous prime is 1145089973. The next prime is 1145090021. The reversal of 1145089976 is 6799805411.

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

It is a super-2 number, since 2×1145089976² = 2622462106271361152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145089973) 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 as a sum of consecutive naturals, namely, 71568116 + ... + 71568131.

It is an arithmetic number, because the mean of its divisors is an integer number (268380465).

Almost surely, 2^1145089976 is an apocalyptic number.

It is an amenable number.

1145089976 is a deficient number, since it is larger than the sum of its proper divisors (1001953744).

1145089976 is a wasteful number, since it uses less digits than its factorization.

1145089976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143136253 (or 143136249 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 1145089976 is about 33839.1781224072. The cubic root of 1145089976 is about 1046.1963591310.

The spelling of 1145089976 in words is "one billion, one hundred forty-five million, eighty-nine thousand, nine hundred seventy-six".