142355065 has 4 divisors (see below), whose sum is σ = 170826084. Its totient is φ = 113884048.

The previous prime is 142355041. The next prime is 142355089. The reversal of 142355065 is 560553241.

142355065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (142355041) and next prime (142355089).

It can be written as a sum of positive squares in 2 ways, for example, as 56385081 + 85969984 = 7509^2 + 9272^2 .

It is a cyclic number.

It is not a de Polignac number, because 142355065 - 2⁵ = 142355033 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14235502 + ... + 14235511.

It is an arithmetic number, because the mean of its divisors is an integer number (42706521).

Almost surely, 2^142355065 is an apocalyptic number.

It is an amenable number.

142355065 is a deficient number, since it is larger than the sum of its proper divisors (28471019).

142355065 is an equidigital number, since it uses as much as digits as its factorization.

142355065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28471018.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 142355065 is about 11931.2641828098. The cubic root of 142355065 is about 522.1448209229.

The spelling of 142355065 in words is "one hundred forty-two million, three hundred fifty-five thousand, sixty-five".