143978887456 has 24 divisors (see below), whose sum is σ = 283858279740. Its totient is φ = 71887895808.

The previous prime is 143978887427. The next prime is 143978887483. The reversal of 143978887456 is 654788879341.

It can be written as a sum of positive squares in 2 ways, for example, as 139532131600 + 4446755856 = 373540^2 + 66684^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3150331 + ... + 3195706.

Almost surely, 2^143978887456 is an apocalyptic number.

143978887456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

143978887456 is a deficient number, since it is larger than the sum of its proper divisors (139879392284).

143978887456 is an equidigital number, since it uses as much as digits as its factorization.

143978887456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346756 (or 6346748 counting only the distinct ones).

The product of its digits is 325140480, while the sum is 70.

The spelling of 143978887456 in words is "one hundred forty-three billion, nine hundred seventy-eight million, eight hundred eighty-seven thousand, four hundred fifty-six".