144939447158 has 16 divisors (see below), whose sum is σ = 237187251216. Its totient is φ = 65877786240.

The previous prime is 144939447137. The next prime is 144939447179. The reversal of 144939447158 is 851744939441.

It is an interprime number because it is at equal distance from previous prime (144939447137) and next prime (144939447179).

It is a junction number, because it is equal to n+sod(n) for n = 144939447097 and 144939447106.

It is a congruent number.

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, 223010 + ... + 582762.

It is an arithmetic number, because the mean of its divisors is an integer number (14824203201).

Almost surely, 2^144939447158 is an apocalyptic number.

144939447158 is a deficient number, since it is larger than the sum of its proper divisors (92247804058).

144939447158 is a wasteful number, since it uses less digits than its factorization.

144939447158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378079.

The product of its digits is 17418240, while the sum is 59.

The spelling of 144939447158 in words is "one hundred forty-four billion, nine hundred thirty-nine million, four hundred forty-seven thousand, one hundred fifty-eight".