181148054 has 8 divisors (see below), whose sum is σ = 276327720. Its totient is φ = 89038816.

The previous prime is 181148021. The next prime is 181148083. The reversal of 181148054 is 450841181.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 181148054.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 767459 + ... + 767694.

It is an arithmetic number, because the mean of its divisors is an integer number (34540965).

Almost surely, 2^181148054 is an apocalyptic number.

181148054 is a deficient number, since it is larger than the sum of its proper divisors (95179666).

181148054 is a wasteful number, since it uses less digits than its factorization.

181148054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535214.

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

The square root of 181148054 is about 13459.1253059031. The cubic root of 181148054 is about 565.8194744482.

The spelling of 181148054 in words is "one hundred eighty-one million, one hundred forty-eight thousand, fifty-four".