181472341 has 4 divisors (see below), whose sum is σ = 185692672. Its totient is φ = 177252012.

The previous prime is 181472339. The next prime is 181472393. The reversal of 181472341 is 143274181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 181472341 - 2¹ = 181472339 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181472041) 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, 2110101 + ... + 2110186.

It is an arithmetic number, because the mean of its divisors is an integer number (46423168).

Almost surely, 2^181472341 is an apocalyptic number.

It is an amenable number.

181472341 is a deficient number, since it is larger than the sum of its proper divisors (4220331).

181472341 is an equidigital number, since it uses as much as digits as its factorization.

181472341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220330.

The product of its digits is 5376, while the sum is 31.

The square root of 181472341 is about 13471.1670244267. The cubic root of 181472341 is about 566.1569120905.

The spelling of 181472341 in words is "one hundred eighty-one million, four hundred seventy-two thousand, three hundred forty-one".