144642622460 has 48 divisors (see below), whose sum is σ = 347163909120. Its totient is φ = 49588668480.

The previous prime is 144642622441. The next prime is 144642622463. The reversal of 144642622460 is 64226246441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144642622463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4319261 + ... + 4352619.

It is an arithmetic number, because the mean of its divisors is an integer number (7232581440).

Almost surely, 2^144642622460 is an apocalyptic number.

144642622460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144642622460 is an abundant number, since it is smaller than the sum of its proper divisors (202521286660).

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

144642622460 is a wasteful number, since it uses less digits than its factorization.

144642622460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64346 (or 64344 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 41.

The spelling of 144642622460 in words is "one hundred forty-four billion, six hundred forty-two million, six hundred twenty-two thousand, four hundred sixty".