144860538 has 16 divisors (see below), whose sum is σ = 289863936. Its totient is φ = 48263040.

The previous prime is 144860531. The next prime is 144860561. The reversal of 144860538 is 835068441.

It is a junction number, because it is equal to n+sod(n) for n = 144860496 and 144860505.

It is not an unprimeable number, because it can be changed into a prime (144860531) 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 7 ways as a sum of consecutive naturals, for example, 10903 + ... + 20213.

It is an arithmetic number, because the mean of its divisors is an integer number (18116496).

Almost surely, 2^144860538 is an apocalyptic number.

144860538 is an abundant number, since it is smaller than the sum of its proper divisors (145003398).

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

144860538 is a wasteful number, since it uses less digits than its factorization.

144860538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11909.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 144860538 is about 12035.8023413481. The cubic root of 144860538 is about 525.1903019861.

The spelling of 144860538 in words is "one hundred forty-four million, eight hundred sixty thousand, five hundred thirty-eight".