145563366 has 64 divisors (see below), whose sum is σ = 335301120. Its totient is φ = 41775360.

The previous prime is 145563347. The next prime is 145563373. The reversal of 145563366 is 663365541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72565 + ... + 74543.

It is an arithmetic number, because the mean of its divisors is an integer number (5239080).

Almost surely, 2^145563366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145563366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167650560).

145563366 is an abundant number, since it is smaller than the sum of its proper divisors (189737754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145563366 is a wasteful number, since it uses less digits than its factorization.

145563366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061.

The product of its digits is 194400, while the sum is 39.

The square root of 145563366 is about 12064.9644011079. The cubic root of 145563366 is about 526.0382971244.

The spelling of 145563366 in words is "one hundred forty-five million, five hundred sixty-three thousand, three hundred sixty-six".