144400254 has 8 divisors (see below), whose sum is σ = 288800520. Its totient is φ = 48133416.

The previous prime is 144400253. The next prime is 144400273. The reversal of 144400254 is 452004441.

It is a happy number.

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

144400254 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144400253) 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, 12033349 + ... + 12033360.

It is an arithmetic number, because the mean of its divisors is an integer number (36100065).

Almost surely, 2^144400254 is an apocalyptic number.

144400254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144400254 is a wasteful number, since it uses less digits than its factorization.

144400254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24066714.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 144400254 is about 12016.6656773000. The cubic root of 144400254 is about 524.6334602519.

Adding to 144400254 its reverse (452004441), we get a palindrome (596404695).

The spelling of 144400254 in words is "one hundred forty-four million, four hundred thousand, two hundred fifty-four".