144477497 has 4 divisors (see below), whose sum is σ = 144501840. Its totient is φ = 144453156.

The previous prime is 144477461. The next prime is 144477503. The reversal of 144477497 is 794774441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 144477497 - 2¹⁰ = 144476473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144477427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3218 + ... + 17300.

It is an arithmetic number, because the mean of its divisors is an integer number (36125460).

Almost surely, 2^144477497 is an apocalyptic number.

It is an amenable number.

144477497 is a deficient number, since it is larger than the sum of its proper divisors (24343).

144477497 is a wasteful number, since it uses less digits than its factorization.

144477497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24342.

The product of its digits is 790272, while the sum is 47.

The square root of 144477497 is about 12019.8792423219. The cubic root of 144477497 is about 524.7269897244.

The spelling of 144477497 in words is "one hundred forty-four million, four hundred seventy-seven thousand, four hundred ninety-seven".