144661437518 has 8 divisors (see below), whose sum is σ = 233683860648. Its totient is φ = 66766817304.

The previous prime is 144661437517. The next prime is 144661437521. The reversal of 144661437518 is 815734166441.

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 (144661437517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2781950696 + ... + 2781950747.

It is an arithmetic number, because the mean of its divisors is an integer number (29210482581).

Almost surely, 2^144661437518 is an apocalyptic number.

144661437518 is a deficient number, since it is larger than the sum of its proper divisors (89022423130).

144661437518 is a wasteful number, since it uses less digits than its factorization.

144661437518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563901458.

The product of its digits is 1935360, while the sum is 50.

The spelling of 144661437518 in words is "one hundred forty-four billion, six hundred sixty-one million, four hundred thirty-seven thousand, five hundred eighteen".