54142540461144 has 24 divisors (see below), whose sum is σ = 146636047082460. Its totient is φ = 18047513487024.

The previous prime is 54142540461137. The next prime is 54142540461187. The reversal of 54142540461144 is 44116404524145.

54142540461144 is a `hidden beast` number, since 5 + 4 + 1 + 4 + 2 + 5 + 40 + 461 + 144 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 54142540461144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 375989864242 + ... + 375989864385.

Almost surely, 2^{54142540461144} is an apocalyptic number.

It is an amenable number.

54142540461144 is an abundant number, since it is smaller than the sum of its proper divisors (92493506621316).

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

54142540461144 is a wasteful number, since it uses less digits than its factorization.

54142540461144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751979728639 (or 751979728632 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

Adding to 54142540461144 its reverse (44116404524145), we get a palindrome (98258944985289).

The spelling of 54142540461144 in words is "fifty-four trillion, one hundred forty-two billion, five hundred forty million, four hundred sixty-one thousand, one hundred forty-four".