149216 has 12 divisors (see below), whose sum is σ = 293832. Its totient is φ = 74592.

The previous prime is 149213. The next prime is 149239. The reversal of 149216 is 612941.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 149191 and 149200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2300 + ... + 2363.

It is an arithmetic number, because the mean of its divisors is an integer number (24486).

2¹⁴⁹²¹⁶ is an apocalyptic number.

149216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149216 is a deficient number, since it is larger than the sum of its proper divisors (144616).

149216 is an equidigital number, since it uses as much as digits as its factorization.

149216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673 (or 4665 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 149216 is about 386.2848689763. The cubic root of 149216 is about 53.0401973441.

The spelling of 149216 in words is "one hundred forty-nine thousand, two hundred sixteen".