144938 has 4 divisors (see below), whose sum is σ = 217410. Its totient is φ = 72468.

The previous prime is 144931. The next prime is 144941. The reversal of 144938 is 839441.

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

It can be written as a sum of positive squares in only one way, i.e., 142129 + 2809 = 377^2 + 53^2 .

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 144938.

It is not an unprimeable number, because it can be changed into a prime (144931) by changing a digit.

144938 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36233 + ... + 36236.

2¹⁴⁴⁹³⁸ is an apocalyptic number.

144938 is a deficient number, since it is larger than the sum of its proper divisors (72472).

144938 is an equidigital number, since it uses as much as digits as its factorization.

144938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72471.

The product of its digits is 3456, while the sum is 29.

The square root of 144938 is about 380.7072366005. The cubic root of 144938 is about 52.5283897851.

The spelling of 144938 in words is "one hundred forty-four thousand, nine hundred thirty-eight".