144777842 has 16 divisors (see below), whose sum is σ = 237514464. Its totient is φ = 65640000.

The previous prime is 144777839. The next prime is 144777851. The reversal of 144777842 is 248777441.

144777842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 144777793 and 144777802.

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, 617 + ... + 17027.

It is an arithmetic number, because the mean of its divisors is an integer number (14844654).

Almost surely, 2^144777842 is an apocalyptic number.

144777842 is a deficient number, since it is larger than the sum of its proper divisors (92736622).

144777842 is a wasteful number, since it uses less digits than its factorization.

144777842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16825.

The product of its digits is 351232, while the sum is 44.

The square root of 144777842 is about 12032.3664339148. The cubic root of 144777842 is about 525.0903451474.

The spelling of 144777842 in words is "one hundred forty-four million, seven hundred seventy-seven thousand, eight hundred forty-two".