144128497818 has 16 divisors (see below), whose sum is σ = 288260741376. Its totient is φ = 48042208320.

The previous prime is 144128497817. The next prime is 144128497823. The reversal of 144128497818 is 818794821441.

It is a super-2 number, since 2×144128497818² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144128497817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739063 + ... + 913493.

It is an arithmetic number, because the mean of its divisors is an integer number (18016296336).

Almost surely, 2^144128497818 is an apocalyptic number.

144128497818 is an abundant number, since it is smaller than the sum of its proper divisors (144132243558).

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

144128497818 is a wasteful number, since it uses less digits than its factorization.

144128497818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312149.

The product of its digits is 4128768, while the sum is 57.

The spelling of 144128497818 in words is "one hundred forty-four billion, one hundred twenty-eight million, four hundred ninety-seven thousand, eight hundred eighteen".