144223453602 has 24 divisors (see below), whose sum is σ = 323259466140. Its totient is φ = 46416743520.

The previous prime is 144223453589. The next prime is 144223453607. The reversal of 144223453602 is 206354322441.

144223453602 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 2 + 3 + 45 + 3 + 602 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 142899876441 + 1323577161 = 378021^2 + 36381^2 .

It is not an unprimeable number, because it can be changed into a prime (144223453607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138144549 + ... + 138145592.

Almost surely, 2^144223453602 is an apocalyptic number.

144223453602 is an abundant number, since it is smaller than the sum of its proper divisors (179036012538).

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

144223453602 is a wasteful number, since it uses less digits than its factorization.

144223453602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276290178 (or 276290175 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 144223453602 in words is "one hundred forty-four billion, two hundred twenty-three million, four hundred fifty-three thousand, six hundred two".