143201551445421 has 8 divisors (see below), whose sum is σ = 218211887916864. Its totient is φ = 81829457968800.

The previous prime is 143201551445419. The next prime is 143201551445431. The reversal of 143201551445421 is 124544155102341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143201551445421 - 2¹ = 143201551445419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143201551445411) 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, 3409560748680 + ... + 3409560748721.

It is an arithmetic number, because the mean of its divisors is an integer number (27276485989608).

Almost surely, 2^{143201551445421} is an apocalyptic number.

It is an amenable number.

143201551445421 is a deficient number, since it is larger than the sum of its proper divisors (75010336471443).

143201551445421 is an equidigital number, since it uses as much as digits as its factorization.

143201551445421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819121497411.

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 143201551445421 in words is "one hundred forty-three trillion, two hundred one billion, five hundred fifty-one million, four hundred forty-five thousand, four hundred twenty-one".