144517445 has 8 divisors (see below), whose sum is σ = 173596920. Its totient is φ = 115496640.

The previous prime is 144517409. The next prime is 144517463. The reversal of 144517445 is 544715441.

It can be written as a sum of positive squares in 4 ways, for example, as 14876449 + 129640996 = 3857^2 + 11386^2 .

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

It is not a de Polignac number, because 144517445 - 2⁸ = 144517189 is a prime.

It is a congruent number.

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, 9050 + ... + 19259.

It is an arithmetic number, because the mean of its divisors is an integer number (21699615).

Almost surely, 2^144517445 is an apocalyptic number.

It is an amenable number.

144517445 is a deficient number, since it is larger than the sum of its proper divisors (29079475).

144517445 is a wasteful number, since it uses less digits than its factorization.

144517445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29335.

The product of its digits is 44800, while the sum is 35.

The square root of 144517445 is about 12021.5408746134. The cubic root of 144517445 is about 524.7753475714.

The spelling of 144517445 in words is "one hundred forty-four million, five hundred seventeen thousand, four hundred forty-five".