144397545 has 8 divisors (see below), whose sum is σ = 231036096. Its totient is φ = 77012016.

The previous prime is 144397537. The next prime is 144397559. The reversal of 144397545 is 545793441.

144397545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 144397545 - 2³ = 144397537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144397497 and 144397506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4813237 + ... + 4813266.

It is an arithmetic number, because the mean of its divisors is an integer number (28879512).

Almost surely, 2^144397545 is an apocalyptic number.

144397545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144397545 is a deficient number, since it is larger than the sum of its proper divisors (86638551).

144397545 is an equidigital number, since it uses as much as digits as its factorization.

144397545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9626511.

The product of its digits is 302400, while the sum is 42.

The square root of 144397545 is about 12016.5529583155. The cubic root of 144397545 is about 524.6301794615.

The spelling of 144397545 in words is "one hundred forty-four million, three hundred ninety-seven thousand, five hundred forty-five".