143402431507700 has 144 divisors (see below), whose sum is σ = 332057891986800. Its totient is φ = 53650849996800.

The previous prime is 143402431507697. The next prime is 143402431507723. The reversal of 143402431507700 is 7705134204341.

It can be written as a sum of positive squares in 24 ways, for example, as 30603842741476 + 112798588766224 = 5532074^2 + 10620668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21653660 + ... + 27489740.

Almost surely, 2^{143402431507700} is an apocalyptic number.

143402431507700 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 143402431507700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166028945993400).

143402431507700 is an abundant number, since it is smaller than the sum of its proper divisors (188655460479100).

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

143402431507700 is a wasteful number, since it uses less digits than its factorization.

143402431507700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836390 (or 5836383 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 143402431507700 in words is "one hundred forty-three trillion, four hundred two billion, four hundred thirty-one million, five hundred seven thousand, seven hundred".