144540734 has 8 divisors (see below), whose sum is σ = 233488920. Its totient is φ = 66711096.

The previous prime is 144540731. The next prime is 144540743. The reversal of 144540734 is 437045441.

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

It is a self number, because there is not a number n which added to its sum of digits gives 144540734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144540731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779604 + ... + 2779655.

It is an arithmetic number, because the mean of its divisors is an integer number (29186115).

Almost surely, 2^144540734 is an apocalyptic number.

144540734 is a deficient number, since it is larger than the sum of its proper divisors (88948186).

144540734 is a wasteful number, since it uses less digits than its factorization.

144540734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559274.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 144540734 is about 12022.5094718199. The cubic root of 144540734 is about 524.8035352564.

It can be divided in two parts, 1445407 and 34, that added together give a palindrome (1445441).

The spelling of 144540734 in words is "one hundred forty-four million, five hundred forty thousand, seven hundred thirty-four".