149827161 has 24 divisors (see below), whose sum is σ = 224959392. Its totient is φ = 88580800.

The previous prime is 149827159. The next prime is 149827187. The reversal of 149827161 is 161728941.

It is not a de Polignac number, because 149827161 - 2¹ = 149827159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149827121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9850 + ... + 19916.

It is an arithmetic number, because the mean of its divisors is an integer number (9373308).

Almost surely, 2^149827161 is an apocalyptic number.

149827161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

149827161 is a deficient number, since it is larger than the sum of its proper divisors (75132231).

149827161 is a wasteful number, since it uses less digits than its factorization.

149827161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133 (or 10122 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 149827161 is about 12240.3905574945. The cubic root of 149827161 is about 531.1251296642.

The spelling of 149827161 in words is "one hundred forty-nine million, eight hundred twenty-seven thousand, one hundred sixty-one".