1145045032 has 16 divisors (see below), whose sum is σ = 2259957600. Its totient is φ = 542389680.

The previous prime is 1145045029. The next prime is 1145045059. The reversal of 1145045032 is 2305405411.

It is a happy number.

It is a super-2 number, since 2×1145045032² = 2622256250615762048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145044988 and 1145045006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3766444 + ... + 3766747.

It is an arithmetic number, because the mean of its divisors is an integer number (141247350).

Almost surely, 2^1145045032 is an apocalyptic number.

It is an amenable number.

1145045032 is a deficient number, since it is larger than the sum of its proper divisors (1114912568).

1145045032 is a wasteful number, since it uses less digits than its factorization.

1145045032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7533216 (or 7533212 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1145045032 is about 33838.5140335683. The cubic root of 1145045032 is about 1046.1826714542.

The spelling of 1145045032 in words is "one billion, one hundred forty-five million, forty-five thousand, thirty-two".