145632866 has 16 divisors (see below), whose sum is σ = 221677440. Its totient is φ = 71744400.

The previous prime is 145632847. The next prime is 145632869. The reversal of 145632866 is 668236541.

It is not an unprimeable number, because it can be changed into a prime (145632869) 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, 138041 + ... + 139091.

It is an arithmetic number, because the mean of its divisors is an integer number (13854840).

Almost surely, 2^145632866 is an apocalyptic number.

145632866 is a deficient number, since it is larger than the sum of its proper divisors (76044574).

145632866 is a wasteful number, since it uses less digits than its factorization.

145632866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009.

The product of its digits is 207360, while the sum is 41.

The square root of 145632866 is about 12067.8442979681. The cubic root of 145632866 is about 526.1220037273.

The spelling of 145632866 in words is "one hundred forty-five million, six hundred thirty-two thousand, eight hundred sixty-six".