144548657 has 12 divisors (see below), whose sum is σ = 162764868. Its totient is φ = 128198400.

The previous prime is 144548653. The next prime is 144548659. The reversal of 144548657 is 756845441.

It can be written as a sum of positive squares in 2 ways, for example, as 67881121 + 76667536 = 8239^2 + 8756^2 .

It is not a de Polignac number, because 144548657 - 2² = 144548653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144548653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9608 + ... + 19529.

It is an arithmetic number, because the mean of its divisors is an integer number (13563739).

Almost surely, 2^144548657 is an apocalyptic number.

It is an amenable number.

144548657 is a deficient number, since it is larger than the sum of its proper divisors (18216211).

144548657 is a wasteful number, since it uses less digits than its factorization.

144548657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29200 (or 29189 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 144548657 is about 12022.8389742190. The cubic root of 144548657 is about 524.8131241160.

The spelling of 144548657 in words is "one hundred forty-four million, five hundred forty-eight thousand, six hundred fifty-seven".