149534238 has 16 divisors (see below), whose sum is σ = 341792640. Its totient is φ = 42724056.

The previous prime is 149534197. The next prime is 149534291. The reversal of 149534238 is 832435941.

It is a junction number, because it is equal to n+sod(n) for n = 149534196 and 149534205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780128 + ... + 1780211.

It is an arithmetic number, because the mean of its divisors is an integer number (21362040).

Almost surely, 2^149534238 is an apocalyptic number.

149534238 is an abundant number, since it is smaller than the sum of its proper divisors (192258402).

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

149534238 is a wasteful number, since it uses less digits than its factorization.

149534238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560351.

The product of its digits is 103680, while the sum is 39.

The square root of 149534238 is about 12228.4192764233. The cubic root of 149534238 is about 530.7787744265.

It can be divided in two parts, 14953 and 4238, that added together give a palindrome (19191).

The spelling of 149534238 in words is "one hundred forty-nine million, five hundred thirty-four thousand, two hundred thirty-eight".