145488399090278 has 16 divisors (see below), whose sum is σ = 220107724626240. Its totient is φ = 72120214257000.

The previous prime is 145488399090241. The next prime is 145488399090299. The reversal of 145488399090278 is 872090993884541.

It is a junction number, because it is equal to n+sod(n) for n = 145488399090199 and 145488399090208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263901248 + ... + 264451971.

It is an arithmetic number, because the mean of its divisors is an integer number (13756732789140).

Almost surely, 2^{145488399090278} is an apocalyptic number.

145488399090278 is a deficient number, since it is larger than the sum of its proper divisors (74619325535962).

145488399090278 is a wasteful number, since it uses less digits than its factorization.

145488399090278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528354403.

The product of its (nonzero) digits is 1254113280, while the sum is 77.

The spelling of 145488399090278 in words is "one hundred forty-five trillion, four hundred eighty-eight billion, three hundred ninety-nine million, ninety thousand, two hundred seventy-eight".