144605113 has 8 divisors (see below), whose sum is σ = 145443816. Its totient is φ = 143769600.

The previous prime is 144605093. The next prime is 144605119. The reversal of 144605113 is 311506441.

It can be written as a sum of positive squares in 4 ways, for example, as 12194064 + 132411049 = 3492^2 + 11507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144605113 - 2⁵ = 144605081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144605119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225273 + ... + 225913.

It is an arithmetic number, because the mean of its divisors is an integer number (18180477).

Almost surely, 2^144605113 is an apocalyptic number.

It is an amenable number.

144605113 is a deficient number, since it is larger than the sum of its proper divisors (838703).

144605113 is an equidigital number, since it uses as much as digits as its factorization.

144605113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 144605113 is about 12025.1866097787. The cubic root of 144605113 is about 524.8814401969.

The spelling of 144605113 in words is "one hundred forty-four million, six hundred five thousand, one hundred thirteen".