18458141 has 12 divisors (see below), whose sum is σ = 21120372. Its totient is φ = 16036032.

The previous prime is 18458119. The next prime is 18458149. The reversal of 18458141 is 14185481.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1060900 + 17397241 = 1030^2 + 4171^2 .

It is not a de Polignac number, because 18458141 - 2¹⁴ = 18441757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18458098 and 18458107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18458149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085765 + ... + 1085781.

It is an arithmetic number, because the mean of its divisors is an integer number (1760031).

Almost surely, 2^18458141 is an apocalyptic number.

It is an amenable number.

18458141 is a deficient number, since it is larger than the sum of its proper divisors (2662231).

18458141 is an frugal number, since it uses more digits than its factorization.

18458141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 30 counting only the distinct ones).

The product of its digits is 5120, while the sum is 32.

The square root of 18458141 is about 4296.2938679750. The cubic root of 18458141 is about 264.2789989319.

The spelling of 18458141 in words is "eighteen million, four hundred fifty-eight thousand, one hundred forty-one".