149446 has 8 divisors (see below), whose sum is σ = 244584. Its totient is φ = 67920.

The previous prime is 149441. The next prime is 149459. The reversal of 149446 is 644941.

149446 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (149441) by changing a digit.

149446 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3375 + ... + 3418.

It is an arithmetic number, because the mean of its divisors is an integer number (30573).

2¹⁴⁹⁴⁴⁶ is an apocalyptic number.

149446 is a deficient number, since it is larger than the sum of its proper divisors (95138).

149446 is a wasteful number, since it uses less digits than its factorization.

149446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806.

The product of its digits is 3456, while the sum is 28.

The square root of 149446 is about 386.5824620957. The cubic root of 149446 is about 53.0674352248.

It can be divided in two parts, 1494 and 46, that added together give a triangular number (1540 = T₅₅).

The spelling of 149446 in words is "one hundred forty-nine thousand, four hundred forty-six".