144278621354 has 16 divisors (see below), whose sum is σ = 247667683968. Its totient is φ = 61750468752.

The previous prime is 144278621329. The next prime is 144278621381. The reversal of 144278621354 is 453126872441.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144278621299 and 144278621308.

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, 6924737 + ... + 6945540.

It is an arithmetic number, because the mean of its divisors is an integer number (15479230248).

Almost surely, 2^144278621354 is an apocalyptic number.

144278621354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144278621354 is a deficient number, since it is larger than the sum of its proper divisors (103389062614).

144278621354 is a wasteful number, since it uses less digits than its factorization.

144278621354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871029.

The product of its digits is 1290240, while the sum is 47.

The spelling of 144278621354 in words is "one hundred forty-four billion, two hundred seventy-eight million, six hundred twenty-one thousand, three hundred fifty-four".