58144381 has 4 divisors (see below), whose sum is σ = 58227100. Its totient is φ = 58061664.

The previous prime is 58144367. The next prime is 58144393. The reversal of 58144381 is 18344185.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18344185 = 5 ⋅3668837.

It can be written as a sum of positive squares in 2 ways, for example, as 34222500 + 23921881 = 5850^2 + 4891^2 .

It is a cyclic number.

It is not a de Polignac number, because 58144381 - 2⁵ = 58144349 is a prime.

It is a super-2 number, since 2×58144381² = 6761538083746322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58144181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40296 + ... + 41713.

It is an arithmetic number, because the mean of its divisors is an integer number (14556775).

Almost surely, 2^58144381 is an apocalyptic number.

It is an amenable number.

58144381 is a deficient number, since it is larger than the sum of its proper divisors (82719).

58144381 is an equidigital number, since it uses as much as digits as its factorization.

58144381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82718.

The product of its digits is 15360, while the sum is 34.

The square root of 58144381 is about 7625.2462911043. The cubic root of 58144381 is about 387.4085939102.

The spelling of 58144381 in words is "fifty-eight million, one hundred forty-four thousand, three hundred eighty-one".