144869505122 has 8 divisors (see below), whose sum is σ = 217339823916. Its totient is φ = 72422897152.

The previous prime is 144869505113. The next prime is 144869505139. The reversal of 144869505122 is 221505968441.

It can be written as a sum of positive squares in 2 ways, for example, as 140048841361 + 4820663761 = 374231^2 + 69431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5912423 + ... + 5936874.

Almost surely, 2^144869505122 is an apocalyptic number.

144869505122 is a deficient number, since it is larger than the sum of its proper divisors (72470318794).

144869505122 is a wasteful number, since it uses less digits than its factorization.

144869505122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11855412.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 144869505122 in words is "one hundred forty-four billion, eight hundred sixty-nine million, five hundred five thousand, one hundred twenty-two".