1145882 has 4 divisors (see below), whose sum is σ = 1718826. Its totient is φ = 572940.

The previous prime is 1145873. The next prime is 1145897. The reversal of 1145882 is 2885411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2885411 = 887 ⋅3253.

It can be written as a sum of positive squares in only one way, i.e., 654481 + 491401 = 809^2 + 701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286469 + ... + 286472.

2^1145882 is an apocalyptic number.

1145882 is a deficient number, since it is larger than the sum of its proper divisors (572944).

1145882 is an equidigital number, since it uses as much as digits as its factorization.

1145882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572943.

The product of its digits is 2560, while the sum is 29.

The square root of 1145882 is about 1070.4587801499. The cubic root of 1145882 is about 104.6437510969.

The spelling of 1145882 in words is "one million, one hundred forty-five thousand, eight hundred eighty-two".