144398942 has 16 divisors (see below), whose sum is σ = 219542400. Its totient is φ = 71224920.

The previous prime is 144398941. The next prime is 144398957. The reversal of 144398942 is 249893441.

It is a junction number, because it is equal to n+sod(n) for n = 144398893 and 144398902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144398941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45359 + ... + 48437.

It is an arithmetic number, because the mean of its divisors is an integer number (13721400).

Almost surely, 2^144398942 is an apocalyptic number.

144398942 is a deficient number, since it is larger than the sum of its proper divisors (75143458).

144398942 is a wasteful number, since it uses less digits than its factorization.

144398942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391.

The product of its digits is 248832, while the sum is 44.

The square root of 144398942 is about 12016.6110863255. The cubic root of 144398942 is about 524.6318713323.

The spelling of 144398942 in words is "one hundred forty-four million, three hundred ninety-eight thousand, nine hundred forty-two".