149384438 has 24 divisors (see below), whose sum is σ = 261649152. Its totient is φ = 63779184.

The previous prime is 149384363. The next prime is 149384467. The reversal of 149384438 is 834483941.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24395 + ... + 29897.

It is an arithmetic number, because the mean of its divisors is an integer number (10902048).

Almost surely, 2^149384438 is an apocalyptic number.

149384438 is a deficient number, since it is larger than the sum of its proper divisors (112264714).

149384438 is a wasteful number, since it uses less digits than its factorization.

149384438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796 (or 5789 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 149384438 is about 12222.2926654536. The cubic root of 149384438 is about 530.6014745053.

The spelling of 149384438 in words is "one hundred forty-nine million, three hundred eighty-four thousand, four hundred thirty-eight".