149822 has 8 divisors (see below), whose sum is σ = 234576. Its totient is φ = 71632.

The previous prime is 149803. The next prime is 149827. The reversal of 149822 is 228941.

149822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 149791 and 149800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (29322).

2¹⁴⁹⁸²² is an apocalyptic number.

149822 is a deficient number, since it is larger than the sum of its proper divisors (84754).

149822 is a wasteful number, since it uses less digits than its factorization.

149822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282.

The product of its digits is 1152, while the sum is 26.

The square root of 149822 is about 387.0684693953. The cubic root of 149822 is about 53.1119031152. Note that the first 3 decimals are identical.

The spelling of 149822 in words is "one hundred forty-nine thousand, eight hundred twenty-two".