144620465 has 16 divisors (see below), whose sum is σ = 190693440. Its totient is φ = 104416320.

The previous prime is 144620459. The next prime is 144620467. The reversal of 144620465 is 564026441.

It is not a de Polignac number, because 144620465 - 2⁴ = 144620449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144620467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1814 + ... + 17103.

It is an arithmetic number, because the mean of its divisors is an integer number (11918340).

Almost surely, 2^144620465 is an apocalyptic number.

It is an amenable number.

144620465 is a deficient number, since it is larger than the sum of its proper divisors (46072975).

144620465 is a wasteful number, since it uses less digits than its factorization.

144620465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19072.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 144620465 is about 12025.8249197300. The cubic root of 144620465 is about 524.9000142168.

The spelling of 144620465 in words is "one hundred forty-four million, six hundred twenty thousand, four hundred sixty-five".