144644500454 has 16 divisors (see below), whose sum is σ = 221074386048. Its totient is φ = 70953210432.

The previous prime is 144644500421. The next prime is 144644500457. The reversal of 144644500454 is 454005446441.

It is a super-2 number, since 2×144644500454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144644500457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195339 + ... + 2260265.

It is an arithmetic number, because the mean of its divisors is an integer number (13817149128).

Almost surely, 2^144644500454 is an apocalyptic number.

144644500454 is a deficient number, since it is larger than the sum of its proper divisors (76429885594).

144644500454 is a wasteful number, since it uses less digits than its factorization.

144644500454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85999.

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 144644500454 its reverse (454005446441), we get a palindrome (598649946895).

The spelling of 144644500454 in words is "one hundred forty-four billion, six hundred forty-four million, five hundred thousand, four hundred fifty-four".