144135001 has 4 divisors (see below), whose sum is σ = 145102500. Its totient is φ = 143167504.

The previous prime is 144134987. The next prime is 144135031. The reversal of 144135001 is 100531441.

144135001 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 89019225 + 55115776 = 9435^2 + 7424^2 .

It is a cyclic number.

It is not a de Polignac number, because 144135001 - 2¹⁷ = 144003929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144135001.

It is not an unprimeable number, because it can be changed into a prime (144135031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483526 + ... + 483823.

It is an arithmetic number, because the mean of its divisors is an integer number (36275625).

Almost surely, 2^144135001 is an apocalyptic number.

It is an amenable number.

144135001 is a deficient number, since it is larger than the sum of its proper divisors (967499).

144135001 is an equidigital number, since it uses as much as digits as its factorization.

144135001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967498.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 144135001 is about 12005.6237239054. The cubic root of 144135001 is about 524.3120252318.

Adding to 144135001 its reverse (100531441), we get a palindrome (244666442).

The spelling of 144135001 in words is "one hundred forty-four million, one hundred thirty-five thousand, one".