143980618 has 16 divisors (see below), whose sum is σ = 220938984. Its totient is φ = 70349760.

The previous prime is 143980609. The next prime is 143980631. The reversal of 143980618 is 816089341.

143980618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 106440489 + 37540129 = 10317^2 + 6127^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15396 + ... + 22912.

Almost surely, 2^143980618 is an apocalyptic number.

143980618 is a deficient number, since it is larger than the sum of its proper divisors (76958366).

143980618 is a wasteful number, since it uses less digits than its factorization.

143980618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 143980618 is about 11999.1923894902. The cubic root of 143980618 is about 524.1247614858.

The spelling of 143980618 in words is "one hundred forty-three million, nine hundred eighty thousand, six hundred eighteen".