149392 has 10 divisors (see below), whose sum is σ = 289478. Its totient is φ = 74688.

The previous prime is 149381. The next prime is 149393. The reversal of 149392 is 293941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 147456 + 1936 = 384^2 + 44^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149392.

It is not an unprimeable number, because it can be changed into a prime (149393) by changing a digit.

149392 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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4653 + ... + 4684.

2¹⁴⁹³⁹² is an apocalyptic number.

It is an amenable number.

149392 is a deficient number, since it is larger than the sum of its proper divisors (140086).

149392 is an equidigital number, since it uses as much as digits as its factorization.

149392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345 (or 9339 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 149392 is about 386.5126129895. The cubic root of 149392 is about 53.0610427559.

It can be divided in two parts, 14939 and 2, that added together give a palindrome (14941).

The spelling of 149392 in words is "one hundred forty-nine thousand, three hundred ninety-two".