144507145 has 8 divisors (see below), whose sum is σ = 179388360. Its totient is φ = 111619200.

The previous prime is 144507131. The next prime is 144507149. The reversal of 144507145 is 541705441.

It can be written as a sum of positive squares in 4 ways, for example, as 2704 + 144504441 = 52^2 + 12021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144507145 - 2⁵ = 144507113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144507149) 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, 498156 + ... + 498445.

It is an arithmetic number, because the mean of its divisors is an integer number (22423545).

Almost surely, 2^144507145 is an apocalyptic number.

It is an amenable number.

144507145 is a deficient number, since it is larger than the sum of its proper divisors (34881215).

144507145 is an equidigital number, since it uses as much as digits as its factorization.

144507145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996635.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 144507145 is about 12021.1124693183. The cubic root of 144507145 is about 524.7628800697.

The spelling of 144507145 in words is "one hundred forty-four million, five hundred seven thousand, one hundred forty-five".