144454406057 has 16 divisors (see below), whose sum is σ = 157781970192. Its totient is φ = 131454074880.

The previous prime is 144454405973. The next prime is 144454406197. The reversal of 144454406057 is 750604454441.

It can be written as a sum of positive squares in 8 ways, for example, as 3886400281 + 140568005776 = 62341^2 + 374924^2 .

It is a cyclic number.

It is not a de Polignac number, because 144454406057 - 2¹⁶ = 144454340521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144454405999 and 144454406017.

It is not an unprimeable number, because it can be changed into a prime (144454406857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101207 + ... + 546947.

It is an arithmetic number, because the mean of its divisors is an integer number (9861373137).

Almost surely, 2^144454406057 is an apocalyptic number.

It is an amenable number.

144454406057 is a deficient number, since it is larger than the sum of its proper divisors (13327564135).

144454406057 is a wasteful number, since it uses less digits than its factorization.

144454406057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446108.

The product of its (nonzero) digits is 1075200, while the sum is 44.

The spelling of 144454406057 in words is "one hundred forty-four billion, four hundred fifty-four million, four hundred six thousand, fifty-seven".