145454030305 has 8 divisors (see below), whose sum is σ = 176146165800. Its totient is φ = 115295671296.

The previous prime is 145454030257. The next prime is 145454030317. The reversal of 145454030305 is 503030454541.

It can be written as a sum of positive squares in 4 ways, for example, as 8559210256 + 136894820049 = 92516^2 + 369993^2 .

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 145454030305 - 2¹¹ = 145454028257 is a prime.

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, 133443520 + ... + 133444609.

It is an arithmetic number, because the mean of its divisors is an integer number (22018270725).

Almost surely, 2^145454030305 is an apocalyptic number.

It is an amenable number.

145454030305 is a deficient number, since it is larger than the sum of its proper divisors (30692135495).

145454030305 is a wasteful number, since it uses less digits than its factorization.

145454030305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266888243.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 145454030305 its reverse (503030454541), we get a palindrome (648484484846).

The spelling of 145454030305 in words is "one hundred forty-five billion, four hundred fifty-four million, thirty thousand, three hundred five".