1145673 has 6 divisors (see below), whose sum is σ = 1654874. Its totient is φ = 763776.

The previous prime is 1145659. The next prime is 1145689. The reversal of 1145673 is 3765411.

It can be written as a sum of positive squares in only one way, i.e., 1108809 + 36864 = 1053^2 + 192^2 .

It is not a de Polignac number, because 1145673 - 2¹³ = 1137481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1145623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63640 + ... + 63657.

2^1145673 is an apocalyptic number.

It is an amenable number.

1145673 is a deficient number, since it is larger than the sum of its proper divisors (509201).

1145673 is a wasteful number, since it uses less digits than its factorization.

1145673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127303 (or 127300 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 1145673 is about 1070.3611540036. The cubic root of 1145673 is about 104.6373886402.

The spelling of 1145673 in words is "one million, one hundred forty-five thousand, six hundred seventy-three".