143425555240 has 64 divisors (see below), whose sum is σ = 352529573760. Its totient is φ = 52082891520.

The previous prime is 143425555223. The next prime is 143425555241. The reversal of 143425555240 is 42555524341.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 143425555193 and 143425555202.

It is not an unprimeable number, because it can be changed into a prime (143425555241) 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, 95694 + ... + 544066.

It is an arithmetic number, because the mean of its divisors is an integer number (5508274590).

Almost surely, 2^143425555240 is an apocalyptic number.

143425555240 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 143425555240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176264786880).

143425555240 is an abundant number, since it is smaller than the sum of its proper divisors (209104018520).

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

143425555240 is a wasteful number, since it uses less digits than its factorization.

143425555240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449122 (or 449118 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 143425555240 in words is "one hundred forty-three billion, four hundred twenty-five million, five hundred fifty-five thousand, two hundred forty".