1142377618 has 8 divisors (see below), whose sum is σ = 1713900348. Its totient is φ = 571077504.

The previous prime is 1142377597. The next prime is 1142377619. The reversal of 1142377618 is 8167732411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1016780769 + 125596849 = 31887^2 + 11207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1142377619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42171 + ... + 63742.

Almost surely, 2^1142377618 is an apocalyptic number.

1142377618 is a deficient number, since it is larger than the sum of its proper divisors (571522730).

1142377618 is a wasteful number, since it uses less digits than its factorization.

1142377618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111308.

The product of its digits is 56448, while the sum is 40.

The square root of 1142377618 is about 33799.0771767514. The cubic root of 1142377618 is about 1045.3696693558.

It can be divided in two parts, 114 and 2377618, that added together give a palindrome (2377732).

The spelling of 1142377618 in words is "one billion, one hundred forty-two million, three hundred seventy-seven thousand, six hundred eighteen".