143406979865492 has 48 divisors (see below), whose sum is σ = 287781622087680. Its totient is φ = 61252951796832.

The previous prime is 143406979865459. The next prime is 143406979865549. The reversal of 143406979865492 is 294568979604341.

It is a Smith number, since the sum of its digits (77) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16191533 + ... + 23430315.

It is an arithmetic number, because the mean of its divisors is an integer number (5995450460160).

It is a 2-persistent number, because it is pandigital, and so is 2⋅143406979865492 = 286813959730984, but 3⋅143406979865492 = 430220939596476 is not.

Almost surely, 2^{143406979865492} is an apocalyptic number.

It is an amenable number.

143406979865492 is an abundant number, since it is smaller than the sum of its proper divisors (144374642222188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143406979865492 is a wasteful number, since it uses less digits than its factorization.

143406979865492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241180 (or 7241178 counting only the distinct ones).

The product of its (nonzero) digits is 2821754880, while the sum is 77.

The spelling of 143406979865492 in words is "one hundred forty-three trillion, four hundred six billion, nine hundred seventy-nine million, eight hundred sixty-five thousand, four hundred ninety-two".