145563205 has 16 divisors (see below), whose sum is σ = 184055040. Its totient is φ = 110297088.

The previous prime is 145563193. The next prime is 145563211. The reversal of 145563205 is 502365541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145563205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5701 + ... + 17989.

It is an arithmetic number, because the mean of its divisors is an integer number (11503440).

Almost surely, 2^145563205 is an apocalyptic number.

It is an amenable number.

145563205 is a deficient number, since it is larger than the sum of its proper divisors (38491835).

145563205 is a wasteful number, since it uses less digits than its factorization.

145563205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12420.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 145563205 is about 12064.9577288940. The cubic root of 145563205 is about 526.0381031832.

The spelling of 145563205 in words is "one hundred forty-five million, five hundred sixty-three thousand, two hundred five".