145166444 has 6 divisors (see below), whose sum is σ = 254041284. Its totient is φ = 72583220.

The previous prime is 145166407. The next prime is 145166447. The reversal of 145166444 is 444661541.

145166444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145166447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18145802 + ... + 18145809.

It is an arithmetic number, because the mean of its divisors is an integer number (42340214).

Almost surely, 2^145166444 is an apocalyptic number.

It is an amenable number.

145166444 is a deficient number, since it is larger than the sum of its proper divisors (108874840).

145166444 is a wasteful number, since it uses less digits than its factorization.

145166444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36291615 (or 36291613 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 145166444 is about 12048.5038075273. The cubic root of 145166444 is about 525.5597283552.

The spelling of 145166444 in words is "one hundred forty-five million, one hundred sixty-six thousand, four hundred forty-four".