143668953432 has 48 divisors (see below), whose sum is σ = 389438211240. Its totient is φ = 47848445568.

The previous prime is 143668953403. The next prime is 143668953443. The reversal of 143668953432 is 234359866341.

143668953432 is a `hidden beast` number, since 1 + 43 + 6 + 68 + 9 + 534 + 3 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774133 + ... + 941604.

Almost surely, 2^143668953432 is an apocalyptic number.

143668953432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143668953432 is an abundant number, since it is smaller than the sum of its proper divisors (245769257808).

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

143668953432 is a wasteful number, since it uses less digits than its factorization.

143668953432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716912 (or 1716905 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 143668953432 in words is "one hundred forty-three billion, six hundred sixty-eight million, nine hundred fifty-three thousand, four hundred thirty-two".