144454544450 has 72 divisors (see below), whose sum is σ = 272568140460. Its totient is φ = 56957644800.

The previous prime is 144454544447. The next prime is 144454544467. The reversal of 144454544450 is 54445454441.

It is a happy number.

It can be written as a sum of positive squares in 18 ways, for example, as 1261173169 + 143193371281 = 35513^2 + 378409^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 143165546 + ... + 143166554.

Almost surely, 2^144454544450 is an apocalyptic number.

144454544450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144454544450 is a deficient number, since it is larger than the sum of its proper divisors (128113596010).

144454544450 is a wasteful number, since it uses less digits than its factorization.

144454544450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 44.

Adding to 144454544450 its reverse (54445454441), we get a palindrome (198899998891).

Subtracting from 144454544450 its reverse (54445454441), we obtain a palindrome (90009090009).

The spelling of 144454544450 in words is "one hundred forty-four billion, four hundred fifty-four million, five hundred forty-four thousand, four hundred fifty".