148744 has 8 divisors (see below), whose sum is σ = 278910. Its totient is φ = 74368.

The previous prime is 148727. The next prime is 148747. The reversal of 148744 is 447841.

It can be written as a sum of positive squares in only one way, i.e., 122500 + 26244 = 350^2 + 162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) 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 (148747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9289 + ... + 9304.

2¹⁴⁸⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

148744 is a deficient number, since it is larger than the sum of its proper divisors (130166).

148744 is a wasteful number, since it uses less digits than its factorization.

148744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18599 (or 18595 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 148744 is about 385.6734369904. The cubic root of 148744 is about 52.9842126943.

It can be divided in two parts, 14874 and 4, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 148744 in words is "one hundred forty-eight thousand, seven hundred forty-four".