144996505 has 8 divisors (see below), whose sum is σ = 183153600. Its totient is φ = 109892016.

The previous prime is 144996493. The next prime is 144996529. The reversal of 144996505 is 505699441.

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 144996505 - 2¹⁵ = 144963737 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, 763045 + ... + 763234.

It is an arithmetic number, because the mean of its divisors is an integer number (22894200).

Almost surely, 2^144996505 is an apocalyptic number.

It is an amenable number.

144996505 is a deficient number, since it is larger than the sum of its proper divisors (38157095).

144996505 is a wasteful number, since it uses less digits than its factorization.

144996505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526303.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 144996505 is about 12041.4494559418. The cubic root of 144996505 is about 525.3545662293.

The spelling of 144996505 in words is "one hundred forty-four million, nine hundred ninety-six thousand, five hundred five".