149384169 has 40 divisors (see below), whose sum is σ = 244632960. Its totient is φ = 90093600.

The previous prime is 149384159. The next prime is 149384177. The reversal of 149384169 is 961483941.

It is not a de Polignac number, because 149384169 - 2⁷ = 149384041 is a prime.

It is a super-2 number, since 2×149384169² = 44631259895641122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149384119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 346384 + ... + 346814.

It is an arithmetic number, because the mean of its divisors is an integer number (6115824).

Almost surely, 2^149384169 is an apocalyptic number.

It is an amenable number.

149384169 is a deficient number, since it is larger than the sum of its proper divisors (95248791).

149384169 is a wasteful number, since it uses less digits than its factorization.

149384169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 834 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 149384169 is about 12222.2816609666. The cubic root of 149384169 is about 530.6011560163.

The spelling of 149384169 in words is "one hundred forty-nine million, three hundred eighty-four thousand, one hundred sixty-nine".