144740254 has 8 divisors (see below), whose sum is σ = 217165248. Its totient is φ = 72351840.

The previous prime is 144740207. The next prime is 144740257. The reversal of 144740254 is 452047441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144740254² = 41899482255969032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144740257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5334 + ... + 17830.

It is an arithmetic number, because the mean of its divisors is an integer number (27145656).

Almost surely, 2^144740254 is an apocalyptic number.

144740254 is a deficient number, since it is larger than the sum of its proper divisors (72424994).

144740254 is a wasteful number, since it uses less digits than its factorization.

144740254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18290.

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 144740254 is about 12030.8043787604. The cubic root of 144740254 is about 525.0448989567.

Adding to 144740254 its reverse (452047441), we get a palindrome (596787695).

The spelling of 144740254 in words is "one hundred forty-four million, seven hundred forty thousand, two hundred fifty-four".