149435338 has 32 divisors (see below), whose sum is σ = 257402880. Its totient is φ = 64454400.

The previous prime is 149435329. The next prime is 149435357. The reversal of 149435338 is 833534941.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 149435338.

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 15 ways as a sum of consecutive naturals, for example, 65623 + ... + 67861.

It is an arithmetic number, because the mean of its divisors is an integer number (8043840).

Almost surely, 2^149435338 is an apocalyptic number.

149435338 is a deficient number, since it is larger than the sum of its proper divisors (107967542).

149435338 is a wasteful number, since it uses less digits than its factorization.

149435338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422.

The product of its digits is 155520, while the sum is 40.

The square root of 149435338 is about 12224.3747488369. The cubic root of 149435338 is about 530.6617318934.

The spelling of 149435338 in words is "one hundred forty-nine million, four hundred thirty-five thousand, three hundred thirty-eight".