149383238 has 4 divisors (see below), whose sum is σ = 224074860. Its totient is φ = 74691618.

The previous prime is 149383237. The next prime is 149383259. The reversal of 149383238 is 832383941.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 149383195 and 149383204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149383231) by changing a digit.

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 as a sum of consecutive naturals, namely, 37345808 + ... + 37345811.

It is an arithmetic number, because the mean of its divisors is an integer number (56018715).

Almost surely, 2^149383238 is an apocalyptic number.

149383238 is a deficient number, since it is larger than the sum of its proper divisors (74691622).

149383238 is an equidigital number, since it uses as much as digits as its factorization.

149383238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74691621.

The product of its digits is 124416, while the sum is 41.

The square root of 149383238 is about 12222.2435747288. The cubic root of 149383238 is about 530.6000537337.

The spelling of 149383238 in words is "one hundred forty-nine million, three hundred eighty-three thousand, two hundred thirty-eight".