144887909411 has 4 divisors (see below), whose sum is σ = 165586182192. Its totient is φ = 124189636632.

The previous prime is 144887909381. The next prime is 144887909423. The reversal of 144887909411 is 114909788441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114909788441 = 7 ⋅16415684063.

It is a cyclic number.

It is not a de Polignac number, because 144887909411 - 2¹⁰ = 144887908387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144887909611) 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, 10349136380 + ... + 10349136393.

It is an arithmetic number, because the mean of its divisors is an integer number (41396545548).

Almost surely, 2^144887909411 is an apocalyptic number.

144887909411 is a deficient number, since it is larger than the sum of its proper divisors (20698272781).

144887909411 is an equidigital number, since it uses as much as digits as its factorization.

144887909411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20698272780.

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 144887909411 in words is "one hundred forty-four billion, eight hundred eighty-seven million, nine hundred nine thousand, four hundred eleven".