144113465 has 4 divisors (see below), whose sum is σ = 172936164. Its totient is φ = 115290768.

The previous prime is 144113429. The next prime is 144113477. The reversal of 144113465 is 564311441.

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 84143929 + 59969536 = 9173^2 + 7744^2 .

It is a cyclic number.

It is not a de Polignac number, because 144113465 - 2²² = 139919161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14411342 + ... + 14411351.

It is an arithmetic number, because the mean of its divisors is an integer number (43234041).

Almost surely, 2^144113465 is an apocalyptic number.

It is an amenable number.

144113465 is a deficient number, since it is larger than the sum of its proper divisors (28822699).

144113465 is an equidigital number, since it uses as much as digits as its factorization.

144113465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28822698.

The product of its digits is 5760, while the sum is 29.

The square root of 144113465 is about 12004.7267773990. The cubic root of 144113465 is about 524.2859104872.

The spelling of 144113465 in words is "one hundred forty-four million, one hundred thirteen thousand, four hundred sixty-five".