149922 has 12 divisors (see below), whose sum is σ = 324870. Its totient is φ = 49968.

The previous prime is 149921. The next prime is 149939. The reversal of 149922 is 229941.

It can be written as a sum of positive squares in only one way, i.e., 145161 + 4761 = 381^2 + 69^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (149921) 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 in 5 ways as a sum of consecutive naturals, for example, 4147 + ... + 4182.

2¹⁴⁹⁹²² is an apocalyptic number.

149922 is an abundant number, since it is smaller than the sum of its proper divisors (174948).

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

149922 is a wasteful number, since it uses less digits than its factorization.

149922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337 (or 8334 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 149922 is about 387.1976239597. The cubic root of 149922 is about 53.1237171547.

It can be divided in two parts, 1499 and 22, that added together give a square (1521 = 39²).

The spelling of 149922 in words is "one hundred forty-nine thousand, nine hundred twenty-two".