144938346 has 64 divisors (see below), whose sum is σ = 360806400. Its totient is φ = 37872576.

The previous prime is 144938329. The next prime is 144938347. The reversal of 144938346 is 643839441.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144938298 and 144938307.

It is not an unprimeable number, because it can be changed into a prime (144938347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20011 + ... + 26273.

It is an arithmetic number, because the mean of its divisors is an integer number (5637600).

Almost surely, 2^144938346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144938346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180403200).

144938346 is an abundant number, since it is smaller than the sum of its proper divisors (215868054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144938346 is a wasteful number, since it uses less digits than its factorization.

144938346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323.

The product of its digits is 248832, while the sum is 42.

The square root of 144938346 is about 12039.0342635944. The cubic root of 144938346 is about 525.2843158411.

The spelling of 144938346 in words is "one hundred forty-four million, nine hundred thirty-eight thousand, three hundred forty-six".