143023137856 has 63 divisors (see below), whose sum is σ = 291155126223. Its totient is φ = 69706874880.

The previous prime is 143023137853. The next prime is 143023137899. The reversal of 143023137856 is 658731320341.

The square root of 143023137856 is 378184.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 9055425600 + 133967712256 = 95160^2 + 366016^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143023137853) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 124043776 + ... + 124044928.

Almost surely, 2^143023137856 is an apocalyptic number.

143023137856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

143023137856 is the 378184-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143023137856

143023137856 is an abundant number, since it is smaller than the sum of its proper divisors (148131988367).

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

143023137856 is an frugal number, since it uses more digits than its factorization.

143023137856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 143023137856 in words is "one hundred forty-three billion, twenty-three million, one hundred thirty-seven thousand, eight hundred fifty-six".