144461642405 has 8 divisors (see below), whose sum is σ = 179331694200. Its totient is φ = 111584165056.

The previous prime is 144461642387. The next prime is 144461642419. The reversal of 144461642405 is 504246164441.

It can be written as a sum of positive squares in 4 ways, for example, as 37151020516 + 107310621889 = 192746^2 + 327583^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 144461642405 - 2¹² = 144461638309 is a prime.

It is a super-2 number, since 2×144461642405² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498143450 + ... + 498143739.

It is an arithmetic number, because the mean of its divisors is an integer number (22416461775).

Almost surely, 2^144461642405 is an apocalyptic number.

It is an amenable number.

144461642405 is a deficient number, since it is larger than the sum of its proper divisors (34870051795).

144461642405 is an equidigital number, since it uses as much as digits as its factorization.

144461642405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996287223.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 144461642405 in words is "one hundred forty-four billion, four hundred sixty-one million, six hundred forty-two thousand, four hundred five".