144332545 has 8 divisors (see below), whose sum is σ = 197941824. Its totient is φ = 98970864.

The previous prime is 144332543. The next prime is 144332557. The reversal of 144332545 is 545233441.

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 144332545 - 2¹ = 144332543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144332543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061859 + ... + 2061928.

It is an arithmetic number, because the mean of its divisors is an integer number (24742728).

Almost surely, 2^144332545 is an apocalyptic number.

It is an amenable number.

144332545 is a deficient number, since it is larger than the sum of its proper divisors (53609279).

144332545 is an equidigital number, since it uses as much as digits as its factorization.

144332545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123799.

The product of its digits is 28800, while the sum is 31.

The square root of 144332545 is about 12013.8480513115. The cubic root of 144332545 is about 524.5514475602.

Adding to 144332545 its reverse (545233441), we get a palindrome (689565986).

The spelling of 144332545 in words is "one hundred forty-four million, three hundred thirty-two thousand, five hundred forty-five".