1145613 has 16 divisors (see below), whose sum is σ = 1848960. Its totient is φ = 615936.

The previous prime is 1145611. The next prime is 1145621. The reversal of 1145613 is 3165411.

It is not a de Polignac number, because 1145613 - 2¹ = 1145611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145611) 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 15 ways as a sum of consecutive naturals, for example, 1248 + ... + 1961.

It is an arithmetic number, because the mean of its divisors is an integer number (115560).

2^1145613 is an apocalyptic number.

It is an amenable number.

1145613 is a deficient number, since it is larger than the sum of its proper divisors (703347).

1145613 is a wasteful number, since it uses less digits than its factorization.

1145613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236.

The product of its digits is 360, while the sum is 21.

The square root of 1145613 is about 1070.3331257137. Note that the first 3 decimals coincide. The cubic root of 1145613 is about 104.6355619546.

The spelling of 1145613 in words is "one million, one hundred forty-five thousand, six hundred thirteen".