144542167537 has 4 divisors (see below), whose sum is σ = 144549827316. Its totient is φ = 144534507760.

The previous prime is 144542167507. The next prime is 144542167547. The reversal of 144542167537 is 735761245441.

144542167537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101118276081 + 43423891456 = 317991^2 + 208384^2 .

It is a cyclic number.

It is not a de Polignac number, because 144542167537 - 2¹⁹ = 144541643249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144542167507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3801514 + ... + 3839347.

It is an arithmetic number, because the mean of its divisors is an integer number (36137456829).

Almost surely, 2^144542167537 is an apocalyptic number.

It is an amenable number.

144542167537 is a deficient number, since it is larger than the sum of its proper divisors (7659779).

144542167537 is an equidigital number, since it uses as much as digits as its factorization.

144542167537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659778.

The product of its digits is 2822400, while the sum is 49.

The spelling of 144542167537 in words is "one hundred forty-four billion, five hundred forty-two million, one hundred sixty-seven thousand, five hundred thirty-seven".