145563345 has 16 divisors (see below), whose sum is σ = 258779520. Its totient is φ = 77633712.

The previous prime is 145563307. The next prime is 145563347. The reversal of 145563345 is 543365541.

145563345 is a `hidden beast` number, since 14 + 5 + 5 + 633 + 4 + 5 = 666.

145563345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145563345 - 2¹⁰ = 145562321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145563347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538989 + ... + 539258.

It is an arithmetic number, because the mean of its divisors is an integer number (16173720).

Almost surely, 2^145563345 is an apocalyptic number.

145563345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145563345 is a deficient number, since it is larger than the sum of its proper divisors (113216175).

145563345 is a wasteful number, since it uses less digits than its factorization.

145563345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078261 (or 1078255 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 145563345 is about 12064.9635308193. The cubic root of 145563345 is about 526.0382718277.

The spelling of 145563345 in words is "one hundred forty-five million, five hundred sixty-three thousand, three hundred forty-five".