1043145 has 16 divisors (see below), whose sum is σ = 1854720. Its totient is φ = 556272.

The previous prime is 1043131. The next prime is 1043167. The reversal of 1043145 is 5413401.

It is a happy number.

It is not a de Polignac number, because 1043145 - 2⁵ = 1043113 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3729 + ... + 3998.

It is an arithmetic number, because the mean of its divisors is an integer number (115920).

2^1043145 is an apocalyptic number.

1043145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1043145 is a deficient number, since it is larger than the sum of its proper divisors (811575).

1043145 is an equidigital number, since it uses as much as digits as its factorization.

1043145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741 (or 7735 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1043145 is about 1021.3447018514. The cubic root of 1043145 is about 101.4179653754.

Adding to 1043145 its reverse (5413401), we get a palindrome (6456546).

It can be divided in two parts, 104 and 3145, that added together give a square (3249 = 57²).

The spelling of 1043145 in words is "one million, forty-three thousand, one hundred forty-five".