144540546 has 8 divisors (see below), whose sum is σ = 289081104. Its totient is φ = 48180180.

The previous prime is 144540527. The next prime is 144540547. The reversal of 144540546 is 645045441.

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

144540546 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (144540547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12045040 + ... + 12045051.

It is an arithmetic number, because the mean of its divisors is an integer number (36135138).

Almost surely, 2^144540546 is an apocalyptic number.

144540546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144540546 is a wasteful number, since it uses less digits than its factorization.

144540546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24090096.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 144540546 is about 12022.5016531502. The cubic root of 144540546 is about 524.8033077240.

Adding to 144540546 its reverse (645045441), we get a palindrome (789585987).

The spelling of 144540546 in words is "one hundred forty-four million, five hundred forty thousand, five hundred forty-six".