144557542 has 8 divisors (see below), whose sum is σ = 216889632. Its totient is φ = 72261000.

The previous prime is 144557537. The next prime is 144557573. The reversal of 144557542 is 245755441.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6867 + ... + 18337.

It is an arithmetic number, because the mean of its divisors is an integer number (27111204).

Almost surely, 2^144557542 is an apocalyptic number.

144557542 is a deficient number, since it is larger than the sum of its proper divisors (72332090).

144557542 is a wasteful number, since it uses less digits than its factorization.

144557542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17774.

The product of its digits is 112000, while the sum is 37.

The square root of 144557542 is about 12023.2084736147. The cubic root of 144557542 is about 524.8238768253.

The spelling of 144557542 in words is "one hundred forty-four million, five hundred fifty-seven thousand, five hundred forty-two".