144405465 has 8 divisors (see below), whose sum is σ = 231048768. Its totient is φ = 77016240.

The previous prime is 144405433. The next prime is 144405517. The reversal of 144405465 is 564504441.

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

It is not a de Polignac number, because 144405465 - 2⁵ = 144405433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4813501 + ... + 4813530.

It is an arithmetic number, because the mean of its divisors is an integer number (28881096).

Almost surely, 2^144405465 is an apocalyptic number.

144405465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144405465 is a deficient number, since it is larger than the sum of its proper divisors (86643303).

144405465 is an equidigital number, since it uses as much as digits as its factorization.

144405465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9627039.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 144405465 is about 12016.8824992175. The cubic root of 144405465 is about 524.6397710259.

The spelling of 144405465 in words is "one hundred forty-four million, four hundred five thousand, four hundred sixty-five".