149181941 has 8 divisors (see below), whose sum is σ = 151374720. Its totient is φ = 146996928.

The previous prime is 149181937. The next prime is 149181943.

It is a happy number.

149181941 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 149181941 - 2² = 149181937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149181895 and 149181904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149181943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44765 + ... + 47981.

It is an arithmetic number, because the mean of its divisors is an integer number (18921840).

Almost surely, 2^149181941 is an apocalyptic number.

It is an amenable number.

149181941 is a deficient number, since it is larger than the sum of its proper divisors (2192779).

149181941 is an equidigital number, since it uses as much as digits as its factorization.

149181941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883.

The product of its digits is 10368, while the sum is 38.

The square root of 149181941 is about 12214.0059358099. The cubic root of 149181941 is about 530.3616150891.

The spelling of 149181941 in words is "one hundred forty-nine million, one hundred eighty-one thousand, nine hundred forty-one".