54445144142 has 8 divisors (see below), whose sum is σ = 81676402176. Its totient is φ = 27219676752.

The previous prime is 54445144123. The next prime is 54445144147. The reversal of 54445144142 is 24144154445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 54445144096 and 54445144105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54445144147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424078 + ... + 1461809.

It is an arithmetic number, because the mean of its divisors is an integer number (10209550272).

Almost surely, 2^54445144142 is an apocalyptic number.

54445144142 is a deficient number, since it is larger than the sum of its proper divisors (27231258034).

54445144142 is a wasteful number, since it uses less digits than its factorization.

54445144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895322.

The product of its digits is 204800, while the sum is 38.

Adding to 54445144142 its reverse (24144154445), we get a palindrome (78589298587).

The spelling of 54445144142 in words is "fifty-four billion, four hundred forty-five million, one hundred forty-four thousand, one hundred forty-two".