181146038 has 16 divisors (see below), whose sum is σ = 286296000. Its totient is φ = 85723272.

The previous prime is 181146029. The next prime is 181146059. The reversal of 181146038 is 830641181.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 181145995 and 181146013.

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 7 ways as a sum of consecutive naturals, for example, 58493 + ... + 61511.

It is an arithmetic number, because the mean of its divisors is an integer number (17893500).

Almost surely, 2^181146038 is an apocalyptic number.

181146038 is a deficient number, since it is larger than the sum of its proper divisors (105149962).

181146038 is a wasteful number, since it uses less digits than its factorization.

181146038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 181146038 is about 13459.0504122691. The cubic root of 181146038 is about 565.8173754353.

The spelling of 181146038 in words is "one hundred eighty-one million, one hundred forty-six thousand, thirty-eight".