240144452 has 12 divisors (see below), whose sum is σ = 424585980. Its totient is φ = 118834176.

The previous prime is 240144451. The next prime is 240144469. The reversal of 240144452 is 254441042.

It can be written as a sum of positive squares in 2 ways, for example, as 188073796 + 52070656 = 13714^2 + 7216^2 .

It is not an unprimeable number, because it can be changed into a prime (240144451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309077 + ... + 309852.

It is an arithmetic number, because the mean of its divisors is an integer number (35382165).

Almost surely, 2^240144452 is an apocalyptic number.

It is an amenable number.

240144452 is a deficient number, since it is larger than the sum of its proper divisors (184441528).

240144452 is a wasteful number, since it uses less digits than its factorization.

240144452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619030 (or 619028 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 240144452 is about 15496.5948517731. The cubic root of 240144452 is about 621.5711556155.

Adding to 240144452 its reverse (254441042), we get a palindrome (494585494).

The spelling of 240144452 in words is "two hundred forty million, one hundred forty-four thousand, four hundred fifty-two".