143813678440 has 64 divisors (see below), whose sum is σ = 335001906000. Its totient is φ = 55498168320.

The previous prime is 143813678419. The next prime is 143813678441. The reversal of 143813678440 is 44876318341.

It can be written as a sum of positive squares in 8 ways, for example, as 130221383044 + 13592295396 = 360862^2 + 116586^2 .

It is not an unprimeable number, because it can be changed into a prime (143813678441) 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, 1447150 + ... + 1543330.

Almost surely, 2^143813678440 is an apocalyptic number.

143813678440 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 143813678440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167500953000).

143813678440 is an abundant number, since it is smaller than the sum of its proper divisors (191188227560).

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

143813678440 is a wasteful number, since it uses less digits than its factorization.

143813678440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97510 (or 97506 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 143813678440 in words is "one hundred forty-three billion, eight hundred thirteen million, six hundred seventy-eight thousand, four hundred forty".