143816645 has 16 divisors (see below), whose sum is σ = 197745408. Its totient is φ = 98361600.

The previous prime is 143816633. The next prime is 143816707. The reversal of 143816645 is 546618341.

143816645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143816645 - 2⁸ = 143816389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143816599 and 143816608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8912 + ... + 19158.

It is an arithmetic number, because the mean of its divisors is an integer number (12359088).

Almost surely, 2^143816645 is an apocalyptic number.

It is an amenable number.

143816645 is a deficient number, since it is larger than the sum of its proper divisors (53928763).

143816645 is a wasteful number, since it uses less digits than its factorization.

143816645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10660.

The product of its digits is 69120, while the sum is 38.

The square root of 143816645 is about 11992.3577748498. The cubic root of 143816645 is about 523.9257185947.

The spelling of 143816645 in words is "one hundred forty-three million, eight hundred sixteen thousand, six hundred forty-five".