181341057 has 16 divisors (see below), whose sum is σ = 256556160. Its totient is φ = 113540352.

The previous prime is 181341053. The next prime is 181341059. The reversal of 181341057 is 750143181.

It is not a de Polignac number, because 181341057 - 2² = 181341053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (181341053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22119 + ... + 29187.

It is an arithmetic number, because the mean of its divisors is an integer number (16034760).

Almost surely, 2^181341057 is an apocalyptic number.

181341057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

181341057 is a deficient number, since it is larger than the sum of its proper divisors (75215103).

181341057 is a wasteful number, since it uses less digits than its factorization.

181341057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7592.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 181341057 is about 13466.2933652880. The cubic root of 181341057 is about 566.0203526666.

It can be divided in two parts, 18134 and 1057, that added together give a palindrome (19191).

The spelling of 181341057 in words is "one hundred eighty-one million, three hundred forty-one thousand, fifty-seven".