3818142145 has 8 divisors (see below), whose sum is σ = 4582897704. Its totient is φ = 3053762304.

The previous prime is 3818142103. The next prime is 3818142157. The reversal of 3818142145 is 5412418183.

It can be written as a sum of positive squares in 4 ways, for example, as 3968064 + 3814174081 = 1992^2 + 61759^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3818142145 - 2⁹ = 3818141633 is a prime.

It is a Duffinian number.

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, 71064 + ... + 112633.

It is an arithmetic number, because the mean of its divisors is an integer number (572862213).

Almost surely, 2^3818142145 is an apocalyptic number.

It is an amenable number.

3818142145 is a deficient number, since it is larger than the sum of its proper divisors (764755559).

3818142145 is a wasteful number, since it uses less digits than its factorization.

3818142145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187859.

The product of its digits is 30720, while the sum is 37.

The square root of 3818142145 is about 61791.1170395875. The cubic root of 3818142145 is about 1562.9701993538.

The spelling of 3818142145 in words is "three billion, eight hundred eighteen million, one hundred forty-two thousand, one hundred forty-five".