145025566 has 16 divisors (see below), whose sum is σ = 249519456. Its totient is φ = 61927776.

The previous prime is 145025561. The next prime is 145025633. The reversal of 145025566 is 665520541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145025561) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14821 + ... + 22576.

It is an arithmetic number, because the mean of its divisors is an integer number (15594966).

Almost surely, 2^145025566 is an apocalyptic number.

145025566 is a deficient number, since it is larger than the sum of its proper divisors (104493890).

145025566 is a wasteful number, since it uses less digits than its factorization.

145025566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37683.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 145025566 is about 12042.6561023721. The cubic root of 145025566 is about 525.3896620388.

The spelling of 145025566 in words is "one hundred forty-five million, twenty-five thousand, five hundred sixty-six".