143644604545 has 16 divisors (see below), whose sum is σ = 185660197632. Its totient is φ = 106060489920.

The previous prime is 143644604449. The next prime is 143644604549. The reversal of 143644604545 is 545406446341.

It is not a de Polignac number, because 143644604545 - 2¹⁷ = 143644473473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143644604495 and 143644604504.

It is not an unprimeable number, because it can be changed into a prime (143644604549) 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, 295660 + ... + 612130.

It is an arithmetic number, because the mean of its divisors is an integer number (11603762352).

Almost surely, 2^143644604545 is an apocalyptic number.

It is an amenable number.

143644604545 is a deficient number, since it is larger than the sum of its proper divisors (42015593087).

143644604545 is a wasteful number, since it uses less digits than its factorization.

143644604545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323472.

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 143644604545 in words is "one hundred forty-three billion, six hundred forty-four million, six hundred four thousand, five hundred forty-five".