144506542 has 8 divisors (see below), whose sum is σ = 217264032. Its totient is φ = 72085200.

The previous prime is 144506519. The next prime is 144506543. The reversal of 144506542 is 245605441.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144506543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82959 + ... + 84682.

It is an arithmetic number, because the mean of its divisors is an integer number (27158004).

Almost surely, 2^144506542 is an apocalyptic number.

144506542 is a deficient number, since it is larger than the sum of its proper divisors (72757490).

144506542 is a wasteful number, since it uses less digits than its factorization.

144506542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168074.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 144506542 is about 12021.0873884187. The cubic root of 144506542 is about 524.7621501578.

The spelling of 144506542 in words is "one hundred forty-four million, five hundred six thousand, five hundred forty-two".