144948506 has 4 divisors (see below), whose sum is σ = 217422762. Its totient is φ = 72474252.

The previous prime is 144948491. The next prime is 144948509. The reversal of 144948506 is 605849441.

144948506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605849441 = 983 ⋅616327.

It can be written as a sum of positive squares in only one way, i.e., 107848225 + 37100281 = 10385^2 + 6091^2 .

It is not an unprimeable number, because it can be changed into a prime (144948509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36237125 + ... + 36237128.

Almost surely, 2^144948506 is an apocalyptic number.

144948506 is a deficient number, since it is larger than the sum of its proper divisors (72474256).

144948506 is an equidigital number, since it uses as much as digits as its factorization.

144948506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72474255.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 144948506 is about 12039.4562169560. The cubic root of 144948506 is about 525.2965894827.

The spelling of 144948506 in words is "one hundred forty-four million, nine hundred forty-eight thousand, five hundred six".