143266131364640 has 48 divisors (see below), whose sum is σ = 338467506810552. Its totient is φ = 57306237272064.

The previous prime is 143266131364639. The next prime is 143266131364669. The reversal of 143266131364640 is 46463131662341.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45351227486224 + 97914903878416 = 6734332^2 + 9895196^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45097022 + ... + 48169218.

Almost surely, 2^{143266131364640} is an apocalyptic number.

143266131364640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143266131364640 is an abundant number, since it is smaller than the sum of its proper divisors (195201375445912).

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

143266131364640 is a wasteful number, since it uses less digits than its factorization.

143266131364640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363669 (or 3363661 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 143266131364640 in words is "one hundred forty-three trillion, two hundred sixty-six billion, one hundred thirty-one million, three hundred sixty-four thousand, six hundred forty".