148910238 has 40 divisors (see below), whose sum is σ = 334366560. Its totient is φ = 49533120.

The previous prime is 148910233. The next prime is 148910263. The reversal of 148910238 is 832019841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148910233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 147078 + ... + 148086.

It is an arithmetic number, because the mean of its divisors is an integer number (8359164).

Almost surely, 2^148910238 is an apocalyptic number.

148910238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

148910238 is an abundant number, since it is smaller than the sum of its proper divisors (185456322).

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

148910238 is a wasteful number, since it uses less digits than its factorization.

148910238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1925 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 148910238 is about 12202.8782670319. The cubic root of 148910238 is about 530.0394393340.

The spelling of 148910238 in words is "one hundred forty-eight million, nine hundred ten thousand, two hundred thirty-eight".