1145573 has 8 divisors (see below), whose sum is σ = 1346016. Its totient is φ = 961200.

The previous prime is 1145539. The next prime is 1145593. The reversal of 1145573 is 3755411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145573 - 2⁶ = 1145509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3863 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (168252).

2^1145573 is an apocalyptic number.

1145573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1145573 is a deficient number, since it is larger than the sum of its proper divisors (200443).

1145573 is a wasteful number, since it uses less digits than its factorization.

1145573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8035.

The product of its digits is 2100, while the sum is 26.

The square root of 1145573 is about 1070.3144397793. The cubic root of 1145573 is about 104.6343441288.

It can be divided in two parts, 1145 and 573, that multiplied together give a triangular number (656085 = T₁₁₄₅).

The spelling of 1145573 in words is "one million, one hundred forty-five thousand, five hundred seventy-three".