149210838 has 48 divisors (see below), whose sum is σ = 388926720. Its totient is φ = 40387248.

The previous prime is 149210837. The next prime is 149210839. The reversal of 149210838 is 838012941.

149210838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149210837) and next prime (149210839).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149210833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28770 + ... + 33557.

It is an arithmetic number, because the mean of its divisors is an integer number (8102640).

Almost surely, 2^149210838 is an apocalyptic number.

149210838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149210838 is an abundant number, since it is smaller than the sum of its proper divisors (239715882).

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

149210838 is a wasteful number, since it uses less digits than its factorization.

149210838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62361 (or 62358 counting only the distinct ones).

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

The square root of 149210838 is about 12215.1888237554. The cubic root of 149210838 is about 530.3958571027.

The spelling of 149210838 in words is "one hundred forty-nine million, two hundred ten thousand, eight hundred thirty-eight".