144231601 has 4 divisors (see below), whose sum is σ = 146263104. Its totient is φ = 142200100.

The previous prime is 144231599. The next prime is 144231611. The reversal of 144231601 is 106132441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106132441 = 1259 ⋅84299.

It is a cyclic number.

It is not a de Polignac number, because 144231601 - 2¹ = 144231599 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144231611) 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, 1015645 + ... + 1015786.

It is an arithmetic number, because the mean of its divisors is an integer number (36565776).

Almost surely, 2^144231601 is an apocalyptic number.

It is an amenable number.

144231601 is a deficient number, since it is larger than the sum of its proper divisors (2031503).

144231601 is an equidigital number, since it uses as much as digits as its factorization.

144231601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031502.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 144231601 is about 12009.6461646462. The cubic root of 144231601 is about 524.4291312563.

The spelling of 144231601 in words is "one hundred forty-four million, two hundred thirty-one thousand, six hundred one".