144454406556 has 24 divisors (see below), whose sum is σ = 351715077504. Its totient is φ = 46057926640.

The previous prime is 144454406543. The next prime is 144454406609. The reversal of 144454406556 is 655604454441.

It is a super-2 number, since 2×144454406556² (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 7 ways as a sum of consecutive naturals, for example, 261692490 + ... + 261693041.

It is an arithmetic number, because the mean of its divisors is an integer number (14654794896).

Almost surely, 2^144454406556 is an apocalyptic number.

It is an amenable number.

144454406556 is an abundant number, since it is smaller than the sum of its proper divisors (207260670948).

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

144454406556 is a wasteful number, since it uses less digits than its factorization.

144454406556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523385561 (or 523385559 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 144454406556 in words is "one hundred forty-four billion, four hundred fifty-four million, four hundred six thousand, five hundred fifty-six".