143131546620621 has 96 divisors (see below), whose sum is σ = 227635792255872. Its totient is φ = 86119867491840.

The previous prime is 143131546620607. The next prime is 143131546620659. The reversal of 143131546620621 is 126026645131341.

143131546620621 is a `hidden beast` number, since 1 + 4 + 3 + 1 + 3 + 15 + 4 + 6 + 6 + 2 + 0 + 621 = 666.

It is not a de Polignac number, because 143131546620621 - 2¹⁸ = 143131546358477 is a prime.

It is a super-2 number, since 2×143131546620621² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143131546620661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7727224266 + ... + 7727242788.

It is an arithmetic number, because the mean of its divisors is an integer number (2371206169332).

Almost surely, 2^{143131546620621} is an apocalyptic number.

It is an amenable number.

143131546620621 is a deficient number, since it is larger than the sum of its proper divisors (84504245635251).

143131546620621 is a wasteful number, since it uses less digits than its factorization.

143131546620621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22843 (or 22840 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 143131546620621 in words is "one hundred forty-three trillion, one hundred thirty-one billion, five hundred forty-six million, six hundred twenty thousand, six hundred twenty-one".