542466144 has 72 divisors (see below), whose sum is σ = 1682887752. Its totient is φ = 164382720.

The previous prime is 542466143. The next prime is 542466191. The reversal of 542466144 is 441664245.

542466144 is a `hidden beast` number, since 54 + 2 + 466 + 144 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 542466099 and 542466108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542466143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82449 + ... + 88784.

It is an arithmetic number, because the mean of its divisors is an integer number (23373441).

Almost surely, 2^542466144 is an apocalyptic number.

It is an amenable number.

542466144 is an abundant number, since it is smaller than the sum of its proper divisors (1140421608).

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

542466144 is a wasteful number, since it uses less digits than its factorization.

542466144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171260 (or 171249 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 542466144 is about 23290.9026016597. The cubic root of 542466144 is about 815.5630590386.

The spelling of 542466144 in words is "five hundred forty-two million, four hundred sixty-six thousand, one hundred forty-four".