144273461632 has 32 divisors (see below), whose sum is σ = 287443890720. Its totient is φ = 72130681344.

The previous prime is 144273461627. The next prime is 144273461641. The reversal of 144273461632 is 236164372441.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×144273461632² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751353 + ... + 1831879.

It is an arithmetic number, because the mean of its divisors is an integer number (8982621585).

Almost surely, 2^144273461632 is an apocalyptic number.

It is an amenable number.

144273461632 is a deficient number, since it is larger than the sum of its proper divisors (143170429088).

144273461632 is an equidigital number, since it uses as much as digits as its factorization.

144273461632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94538 (or 94526 counting only the distinct ones).

The product of its digits is 580608, while the sum is 43.

The spelling of 144273461632 in words is "one hundred forty-four billion, two hundred seventy-three million, four hundred sixty-one thousand, six hundred thirty-two".