145205522355 has 32 divisors (see below), whose sum is σ = 247354406208. Its totient is φ = 72484761600.

The previous prime is 145205522327. The next prime is 145205522369. The reversal of 145205522355 is 553225502541.

It is not a de Polignac number, because 145205522355 - 2⁵ = 145205522323 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1526866 + ... + 1619175.

It is an arithmetic number, because the mean of its divisors is an integer number (7729825194).

Almost surely, 2^145205522355 is an apocalyptic number.

145205522355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145205522355 is a deficient number, since it is larger than the sum of its proper divisors (102148883853).

145205522355 is a wasteful number, since it uses less digits than its factorization.

145205522355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146247.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 145205522355 in words is "one hundred forty-five billion, two hundred five million, five hundred twenty-two thousand, three hundred fifty-five".