144354545 has 8 divisors (see below), whose sum is σ = 173325096. Its totient is φ = 115417216.

The previous prime is 144354517. The next prime is 144354557. The reversal of 144354545 is 545453441.

144354545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5326864 + 139027681 = 2308^2 + 11791^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 144354545 - 2¹⁶ = 144289009 is a prime.

It is a Duffinian 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, 2549 + ... + 17181.

It is an arithmetic number, because the mean of its divisors is an integer number (21665637).

Almost surely, 2^144354545 is an apocalyptic number.

It is an amenable number.

144354545 is a deficient number, since it is larger than the sum of its proper divisors (28970551).

144354545 is a wasteful number, since it uses less digits than its factorization.

144354545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16611.

The product of its digits is 96000, while the sum is 35.

The square root of 144354545 is about 12014.7636264722. The cubic root of 144354545 is about 524.5780979265.

The spelling of 144354545 in words is "one hundred forty-four million, three hundred fifty-four thousand, five hundred forty-five".