1145928 has 64 divisors (see below), whose sum is σ = 3456000. Its totient is φ = 309312.

The previous prime is 1145899. The next prime is 1145971. The reversal of 1145928 is 8295411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1145895 and 1145904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3013 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (54000).

2^1145928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728000).

1145928 is an abundant number, since it is smaller than the sum of its proper divisors (2310072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145928 is a wasteful number, since it uses less digits than its factorization.

1145928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 390 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 1145928 is about 1070.4802660488. The cubic root of 1145928 is about 104.6451513423.

The spelling of 1145928 in words is "one million, one hundred forty-five thousand, nine hundred twenty-eight".