144591225680 has 80 divisors (see below), whose sum is σ = 371154619584. Its totient is φ = 51945123840.

The previous prime is 144591225677. The next prime is 144591225733. The reversal of 144591225680 is 86522195441.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916769 + ... + 1062848.

Almost surely, 2^144591225680 is an apocalyptic number.

144591225680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144591225680 is an abundant number, since it is smaller than the sum of its proper divisors (226563393904).

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

144591225680 is a wasteful number, since it uses less digits than its factorization.

144591225680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979724 (or 1979718 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 144591225680 in words is "one hundred forty-four billion, five hundred ninety-one million, two hundred twenty-five thousand, six hundred eighty".