144838601 has 4 divisors (see below), whose sum is σ = 145036932. Its totient is φ = 144640272.

The previous prime is 144838597. The next prime is 144838621. The reversal of 144838601 is 106838441.

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 112360000 + 32478601 = 10600^2 + 5699^2 .

It is a cyclic number.

It is not a de Polignac number, because 144838601 - 2² = 144838597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144838621) 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, 98066 + ... + 99531.

It is an arithmetic number, because the mean of its divisors is an integer number (36259233).

Almost surely, 2^144838601 is an apocalyptic number.

It is an amenable number.

144838601 is a deficient number, since it is larger than the sum of its proper divisors (198331).

144838601 is an equidigital number, since it uses as much as digits as its factorization.

144838601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198330.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 144838601 is about 12034.8909841344. The cubic root of 144838601 is about 525.1637898629.

The spelling of 144838601 in words is "one hundred forty-four million, eight hundred thirty-eight thousand, six hundred one".