144354071555 has 16 divisors (see below), whose sum is σ = 175658253024. Its totient is φ = 113862101760.

The previous prime is 144354071551. The next prime is 144354071581. The reversal of 144354071555 is 555170453441.

It is a happy number.

It is not a de Polignac number, because 144354071555 - 2² = 144354071551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144354071551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017857 + ... + 1150973.

It is an arithmetic number, because the mean of its divisors is an integer number (10978640814).

Almost surely, 2^144354071555 is an apocalyptic number.

144354071555 is a deficient number, since it is larger than the sum of its proper divisors (31304181469).

144354071555 is a wasteful number, since it uses less digits than its factorization.

144354071555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136166.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 144354071555 in words is "one hundred forty-four billion, three hundred fifty-four million, seventy-one thousand, five hundred fifty-five".