145204714875506 has 32 divisors (see below), whose sum is σ = 255889764748800. Its totient is φ = 60923975921280.

The previous prime is 145204714875487. The next prime is 145204714875547. The reversal of 145204714875506 is 605578417402541.

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 15 ways as a sum of consecutive naturals, for example, 11778815 + ... + 20715933.

It is an arithmetic number, because the mean of its divisors is an integer number (7996555148400).

Almost surely, 2^{145204714875506} is an apocalyptic number.

145204714875506 is a deficient number, since it is larger than the sum of its proper divisors (110685049873294).

145204714875506 is a wasteful number, since it uses less digits than its factorization.

145204714875506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8993954.

The product of its (nonzero) digits is 37632000, while the sum is 59.

The spelling of 145204714875506 in words is "one hundred forty-five trillion, two hundred four billion, seven hundred fourteen million, eight hundred seventy-five thousand, five hundred six".