144532221514 has 4 divisors (see below), whose sum is σ = 216798332274. Its totient is φ = 72266110756.

The previous prime is 144532221497. The next prime is 144532221517. The reversal of 144532221514 is 415122235441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415122235441 = 239 ⋅1736913119.

It can be written as a sum of positive squares in only one way, i.e., 116326698489 + 28205523025 = 341067^2 + 167945^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144532221514.

It is not an unprimeable number, because it can be changed into a prime (144532221517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36133055377 + ... + 36133055380.

Almost surely, 2^144532221514 is an apocalyptic number.

144532221514 is a deficient number, since it is larger than the sum of its proper divisors (72266110760).

144532221514 is an equidigital number, since it uses as much as digits as its factorization.

144532221514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72266110759.

The product of its digits is 38400, while the sum is 34.

Adding to 144532221514 its reverse (415122235441), we get a palindrome (559654456955).

The spelling of 144532221514 in words is "one hundred forty-four billion, five hundred thirty-two million, two hundred twenty-one thousand, five hundred fourteen".