149246 has 4 divisors (see below), whose sum is σ = 223872. Its totient is φ = 74622.

The previous prime is 149239. The next prime is 149249. The reversal of 149246 is 642941.

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

It is a d-powerful number, because it can be written as 1 + 4⁵ + 2¹⁷ + 9³ + 4⁷ + 6² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149249) by changing a digit.

149246 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 37310 + ... + 37313.

It is an arithmetic number, because the mean of its divisors is an integer number (55968).

2¹⁴⁹²⁴⁶ is an apocalyptic number.

149246 is a deficient number, since it is larger than the sum of its proper divisors (74626).

149246 is an equidigital number, since it uses as much as digits as its factorization.

149246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74625.

The product of its digits is 1728, while the sum is 26.

The square root of 149246 is about 386.3236984706. The cubic root of 149246 is about 53.0437516977.

The spelling of 149246 in words is "one hundred forty-nine thousand, two hundred forty-six".