144627545 has 4 divisors (see below), whose sum is σ = 173553060. Its totient is φ = 115702032.

The previous prime is 144627529. The next prime is 144627547. The reversal of 144627545 is 545726441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36529936 + 108097609 = 6044^2 + 10397^2 .

It is a cyclic number.

It is not a de Polignac number, because 144627545 - 2⁴ = 144627529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144627499 and 144627508.

It is not an unprimeable number, because it can be changed into a prime (144627547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14462750 + ... + 14462759.

It is an arithmetic number, because the mean of its divisors is an integer number (43388265).

Almost surely, 2^144627545 is an apocalyptic number.

It is an amenable number.

144627545 is a deficient number, since it is larger than the sum of its proper divisors (28925515).

144627545 is an equidigital number, since it uses as much as digits as its factorization.

144627545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28925514.

The product of its digits is 134400, while the sum is 38.

The square root of 144627545 is about 12026.1192826281. The cubic root of 144627545 is about 524.9085796976.

The spelling of 144627545 in words is "one hundred forty-four million, six hundred twenty-seven thousand, five hundred forty-five".