144235872 has 108 divisors (see below), whose sum is σ = 450957780. Its totient is φ = 43697280.

The previous prime is 144235867. The next prime is 144235907. The reversal of 144235872 is 278532441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32779 + ... + 36917.

It is an arithmetic number, because the mean of its divisors is an integer number (4175535).

Almost surely, 2^144235872 is an apocalyptic number.

144235872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144235872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225478890).

144235872 is an abundant number, since it is smaller than the sum of its proper divisors (306721908).

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

144235872 is a wasteful number, since it uses less digits than its factorization.

144235872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177 (or 4155 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 144235872 is about 12009.8239787267. The cubic root of 144235872 is about 524.4343076871.

The spelling of 144235872 in words is "one hundred forty-four million, two hundred thirty-five thousand, eight hundred seventy-two".