145474333505 has 8 divisors (see below), whose sum is σ = 178628949312. Its totient is φ = 113672967408.

The previous prime is 145474333481. The next prime is 145474333531. The reversal of 145474333505 is 505333474541.

145474333505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145474333505 - 2⁶ = 145474333441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338312189 + ... + 338312618.

It is an arithmetic number, because the mean of its divisors is an integer number (22328618664).

Almost surely, 2^145474333505 is an apocalyptic number.

It is an amenable number.

145474333505 is a deficient number, since it is larger than the sum of its proper divisors (33154615807).

145474333505 is an equidigital number, since it uses as much as digits as its factorization.

145474333505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676624855.

The product of its (nonzero) digits is 1512000, while the sum is 44.

The spelling of 145474333505 in words is "one hundred forty-five billion, four hundred seventy-four million, three hundred thirty-three thousand, five hundred five".