144939725845 has 8 divisors (see below), whose sum is σ = 173930608800. Its totient is φ = 115949822160.

The previous prime is 144939725813. The next prime is 144939725863. The reversal of 144939725845 is 548527939441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144939725845 - 2⁵ = 144939725813 is a prime.

It is a congruent number.

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, 134130 + ... + 554860.

It is an arithmetic number, because the mean of its divisors is an integer number (21741326100).

Almost surely, 2^144939725845 is an apocalyptic number.

It is an amenable number.

144939725845 is a deficient number, since it is larger than the sum of its proper divisors (28990882955).

144939725845 is an equidigital number, since it uses as much as digits as its factorization.

144939725845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489635.

The product of its digits is 43545600, while the sum is 61.

The spelling of 144939725845 in words is "one hundred forty-four billion, nine hundred thirty-nine million, seven hundred twenty-five thousand, eight hundred forty-five".