144641342667 has 16 divisors (see below), whose sum is σ = 201286672128. Its totient is φ = 92213726880.

The previous prime is 144641342663. The next prime is 144641342687. The reversal of 144641342667 is 766243146441.

It is a happy number.

It is not a de Polignac number, because 144641342667 - 2² = 144641342663 is a prime.

It is a super-2 number, since 2×144641342667² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144641342663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60817 + ... + 541277.

It is an arithmetic number, because the mean of its divisors is an integer number (12580417008).

Almost surely, 2^144641342667 is an apocalyptic number.

144641342667 is a deficient number, since it is larger than the sum of its proper divisors (56645329461).

144641342667 is a wasteful number, since it uses less digits than its factorization.

144641342667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484850.

The product of its digits is 2322432, while the sum is 48.

The spelling of 144641342667 in words is "one hundred forty-four billion, six hundred forty-one million, three hundred forty-two thousand, six hundred sixty-seven".