1158045 has 32 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 514560.

The previous prime is 1158037. The next prime is 1158071. The reversal of 1158045 is 5408511.

It is not a de Polignac number, because 1158045 - 2³ = 1158037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4171 + ... + 4439.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2^1158045 is an apocalyptic number.

1158045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1158045 is a deficient number, since it is larger than the sum of its proper divisors (1019235).

1158045 is a wasteful number, since it uses less digits than its factorization.

1158045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1158045 is about 1076.1249927402. The cubic root of 1158045 is about 105.0126968773.

The spelling of 1158045 in words is "one million, one hundred fifty-eight thousand, forty-five".