143420138077440 has 1152 divisors, whose sum is σ = 559019508203520. Its totient is φ = 30625842069504.

The previous prime is 143420138077297. The next prime is 143420138077441. The reversal of 143420138077440 is 44770831024341.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 143420138077440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143420138077441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14790150672 + ... + 14790160368.

It is an arithmetic number, because the mean of its divisors is an integer number (485259989760).

Almost surely, 2^{143420138077440} is an apocalyptic number.

143420138077440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143420138077440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279509754101760).

143420138077440 is an abundant number, since it is smaller than the sum of its proper divisors (415599370126080).

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

143420138077440 is a wasteful number, since it uses less digits than its factorization.

143420138077440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307 (or 10293 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 143420138077440 in words is "one hundred forty-three trillion, four hundred twenty billion, one hundred thirty-eight million, seventy-seven thousand, four hundred forty".