143245575644 has 24 divisors (see below), whose sum is σ = 266041516608. Its totient is φ = 67253265920.

The previous prime is 143245575643. The next prime is 143245575659. The reversal of 143245575644 is 446575542341.

It is a junction number, because it is equal to n+sod(n) for n = 143245575592 and 143245575601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143245575643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2414489 + ... + 2473104.

It is an arithmetic number, because the mean of its divisors is an integer number (11085063192).

Almost surely, 2^143245575644 is an apocalyptic number.

It is an amenable number.

143245575644 is a deficient number, since it is larger than the sum of its proper divisors (122795940964).

143245575644 is a wasteful number, since it uses less digits than its factorization.

143245575644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888045 (or 4888043 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 50.

The spelling of 143245575644 in words is "one hundred forty-three billion, two hundred forty-five million, five hundred seventy-five thousand, six hundred forty-four".