144942043478 has 4 divisors (see below), whose sum is σ = 217413065220. Its totient is φ = 72471021738.

The previous prime is 144942043451. The next prime is 144942043559. The reversal of 144942043478 is 874340249441.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36235510868 + ... + 36235510871.

It is an arithmetic number, because the mean of its divisors is an integer number (54353266305).

Almost surely, 2^144942043478 is an apocalyptic number.

144942043478 is a deficient number, since it is larger than the sum of its proper divisors (72471021742).

144942043478 is an equidigital number, since it uses as much as digits as its factorization.

144942043478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72471021741.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 144942043478 in words is "one hundred forty-four billion, nine hundred forty-two million, forty-three thousand, four hundred seventy-eight".