144445522051 has 4 divisors (see below), whose sum is σ = 144446466352. Its totient is φ = 144444577752.

The previous prime is 144445522031. The next prime is 144445522057. The reversal of 144445522051 is 150225544441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 144445522051 - 2⁷ = 144445521923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144445522051.

It is not an unprimeable number, because it can be changed into a prime (144445522057) 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, 184140 + ... + 568153.

It is an arithmetic number, because the mean of its divisors is an integer number (36111616588).

Almost surely, 2^144445522051 is an apocalyptic number.

144445522051 is a deficient number, since it is larger than the sum of its proper divisors (944301).

144445522051 is an equidigital number, since it uses as much as digits as its factorization.

144445522051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944300.

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 144445522051 in words is "one hundred forty-four billion, four hundred forty-five million, five hundred twenty-two thousand, fifty-one".