143346319021 has 16 divisors (see below), whose sum is σ = 152874000000. Its totient is φ = 133941427200.

The previous prime is 143346319009. The next prime is 143346319027. The reversal of 143346319021 is 120913643341.

It is a cyclic number.

It is not a de Polignac number, because 143346319021 - 2²⁹ = 142809448109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143346319027) 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, 4571605 + ... + 4602853.

It is an arithmetic number, because the mean of its divisors is an integer number (9554625000).

Almost surely, 2^143346319021 is an apocalyptic number.

It is an amenable number.

143346319021 is a deficient number, since it is larger than the sum of its proper divisors (9527680979).

143346319021 is a wasteful number, since it uses less digits than its factorization.

143346319021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33204.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 143346319021 in words is "one hundred forty-three billion, three hundred forty-six million, three hundred nineteen thousand, twenty-one".