11858145 has 16 divisors (see below), whose sum is σ = 20432832. Its totient is φ = 5837760.

The previous prime is 11858131. The next prime is 11858149. The reversal of 11858145 is 54185811.

11858145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11858145 - 2⁷ = 11858017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11858149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30211 + ... + 30600.

It is an arithmetic number, because the mean of its divisors is an integer number (1277052).

Almost surely, 2^11858145 is an apocalyptic number.

11858145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11858145 is a deficient number, since it is larger than the sum of its proper divisors (8574687).

11858145 is a wasteful number, since it uses less digits than its factorization.

11858145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60832.

The product of its digits is 6400, while the sum is 33.

The square root of 11858145 is about 3443.5657391721. The cubic root of 11858145 is about 228.0371399947.

The spelling of 11858145 in words is "eleven million, eight hundred fifty-eight thousand, one hundred forty-five".