144054445 has 4 divisors (see below), whose sum is σ = 172865340. Its totient is φ = 115243552.

The previous prime is 144054439. The next prime is 144054467. The reversal of 144054445 is 544450441.

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 26245129 + 117809316 = 5123^2 + 10854^2 .

It is a cyclic number.

It is not a de Polignac number, because 144054445 - 2³ = 144054437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14405440 + ... + 14405449.

It is an arithmetic number, because the mean of its divisors is an integer number (43216335).

Almost surely, 2^144054445 is an apocalyptic number.

It is an amenable number.

144054445 is a deficient number, since it is larger than the sum of its proper divisors (28810895).

144054445 is an equidigital number, since it uses as much as digits as its factorization.

144054445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28810894.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 144054445 is about 12002.2683272788. The cubic root of 144054445 is about 524.2143289743.

The spelling of 144054445 in words is "one hundred forty-four million, fifty-four thousand, four hundred forty-five".