145044618 has 16 divisors (see below), whose sum is σ = 291008160. Its totient is φ = 48195056.

The previous prime is 145044583. The next prime is 145044619. The reversal of 145044618 is 816440541.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145044619) 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 in 7 ways as a sum of consecutive naturals, for example, 36228 + ... + 40031.

It is an arithmetic number, because the mean of its divisors is an integer number (18188010).

Almost surely, 2^145044618 is an apocalyptic number.

145044618 is an abundant number, since it is smaller than the sum of its proper divisors (145963542).

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

145044618 is a wasteful number, since it uses less digits than its factorization.

145044618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76581.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 145044618 is about 12043.4470979035. The cubic root of 145044618 is about 525.4126678343.

The spelling of 145044618 in words is "one hundred forty-five million, forty-four thousand, six hundred eighteen".