144818618 has 24 divisors (see below), whose sum is σ = 255164832. Its totient is φ = 61458264.

The previous prime is 144818617. The next prime is 144818621. The reversal of 144818618 is 816818441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (144818617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2921 + ... + 17267.

It is an arithmetic number, because the mean of its divisors is an integer number (10631868).

Almost surely, 2^144818618 is an apocalyptic number.

144818618 is a deficient number, since it is larger than the sum of its proper divisors (110346214).

144818618 is a wasteful number, since it uses less digits than its factorization.

144818618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14466 (or 14459 counting only the distinct ones).

The product of its digits is 49152, while the sum is 41.

The square root of 144818618 is about 12034.0607444038. The cubic root of 144818618 is about 525.1396369308.

The spelling of 144818618 in words is "one hundred forty-four million, eight hundred eighteen thousand, six hundred eighteen".