144522545 has 8 divisors (see below), whose sum is σ = 173542824. Its totient is φ = 115540864.

The previous prime is 144522541. The next prime is 144522557. The reversal of 144522545 is 545225441.

144522545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5683456 + 138839089 = 2384^2 + 11783^2 .

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 144522545 - 2² = 144522541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144522541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644 + ... + 17013.

It is an arithmetic number, because the mean of its divisors is an integer number (21692853).

Almost surely, 2^144522545 is an apocalyptic number.

It is an amenable number.

144522545 is a deficient number, since it is larger than the sum of its proper divisors (29020279).

144522545 is a wasteful number, since it uses less digits than its factorization.

144522545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19299.

The product of its digits is 32000, while the sum is 32.

The square root of 144522545 is about 12021.7529919725. The cubic root of 144522545 is about 524.7815205812.

Adding to 144522545 its reverse (545225441), we get a palindrome (689747986).

The spelling of 144522545 in words is "one hundred forty-four million, five hundred twenty-two thousand, five hundred forty-five".