144223215554 has 32 divisors (see below), whose sum is σ = 249913512000. Its totient is φ = 61692503040.

The previous prime is 144223215511. The next prime is 144223215589. The reversal of 144223215554 is 455512322441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4208762 + ... + 4242890.

It is an arithmetic number, because the mean of its divisors is an integer number (7809797250).

Almost surely, 2^144223215554 is an apocalyptic number.

144223215554 is a deficient number, since it is larger than the sum of its proper divisors (105690296446).

144223215554 is a wasteful number, since it uses less digits than its factorization.

144223215554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45458.

The product of its digits is 192000, while the sum is 38.

Adding to 144223215554 its reverse (455512322441), we get a palindrome (599735537995).

The spelling of 144223215554 in words is "one hundred forty-four billion, two hundred twenty-three million, two hundred fifteen thousand, five hundred fifty-four".