143663405445 has 24 divisors (see below), whose sum is σ = 284590365696. Its totient is φ = 65674699488.

The previous prime is 143663405441. The next prime is 143663405453. The reversal of 143663405445 is 544504366341.

143663405445 is a `hidden beast` number, since 1 + 4 + 3 + 6 + 63 + 40 + 544 + 5 = 666.

It is not a de Polignac number, because 143663405445 - 2² = 143663405441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 143663405445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143663405441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228036837 + ... + 228037466.

It is an arithmetic number, because the mean of its divisors is an integer number (11857931904).

Almost surely, 2^143663405445 is an apocalyptic number.

143663405445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143663405445 is a deficient number, since it is larger than the sum of its proper divisors (140926960251).

143663405445 is a wasteful number, since it uses less digits than its factorization.

143663405445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456074321 (or 456074318 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 143663405445 in words is "one hundred forty-three billion, six hundred sixty-three million, four hundred five thousand, four hundred forty-five".