144052427509 has 8 divisors (see below), whose sum is σ = 151639687040. Its totient is φ = 136465723296.

The previous prime is 144052427507. The next prime is 144052427537. The reversal of 144052427509 is 905724250441.

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 144052427509 - 2¹ = 144052427507 is a prime.

It is a super-2 number, since 2×144052427509² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144052427507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459889 + ... + 706825.

It is an arithmetic number, because the mean of its divisors is an integer number (18954960880).

Almost surely, 2^144052427509 is an apocalyptic number.

144052427509 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

144052427509 is a deficient number, since it is larger than the sum of its proper divisors (7587259531).

144052427509 is a wasteful number, since it uses less digits than its factorization.

144052427509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277659.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 144052427509 in words is "one hundred forty-four billion, fifty-two million, four hundred twenty-seven thousand, five hundred nine".