149837838 has 64 divisors (see below), whose sum is σ = 332121600. Its totient is φ = 44876160.

The previous prime is 149837803. The next prime is 149837851. The reversal of 149837838 is 838738941.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 201295 + ... + 202037.

It is an arithmetic number, because the mean of its divisors is an integer number (5189400).

Almost surely, 2^149837838 is an apocalyptic number.

149837838 is an abundant number, since it is smaller than the sum of its proper divisors (182283762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149837838 is a wasteful number, since it uses less digits than its factorization.

149837838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857.

The product of its digits is 1161216, while the sum is 51.

The square root of 149837838 is about 12240.8266877691. The cubic root of 149837838 is about 531.1377457308.

The spelling of 149837838 in words is "one hundred forty-nine million, eight hundred thirty-seven thousand, eight hundred thirty-eight".