181341151 has 2 divisors, whose sum is σ = 181341152. Its totient is φ = 181341150.

The previous prime is 181341133. The next prime is 181341163. The reversal of 181341151 is 151143181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 181341151 - 2²⁵ = 147786719 is a prime.

It is a super-2 number, since 2×181341151² = 65769226092009602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (181341101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90670575 + 90670576.

It is an arithmetic number, because the mean of its divisors is an integer number (90670576).

Almost surely, 2^181341151 is an apocalyptic number.

181341151 is a deficient number, since it is larger than the sum of its proper divisors (1).

181341151 is an equidigital number, since it uses as much as digits as its factorization.

181341151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 25.

The square root of 181341151 is about 13466.2968554833. The cubic root of 181341151 is about 566.0204504674.

The spelling of 181341151 in words is "one hundred eighty-one million, three hundred forty-one thousand, one hundred fifty-one".