142349065 has 8 divisors (see below), whose sum is σ = 170986248. Its totient is φ = 113767680.

The previous prime is 142349017. The next prime is 142349111. The reversal of 142349065 is 560943241.

142349065 = 8436² + 8437².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3674889 + 138674176 = 1917^2 + 11776^2 .

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

It is not a de Polignac number, because 142349065 - 2¹¹ = 142347017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142349065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8112 + ... + 18721.

It is an arithmetic number, because the mean of its divisors is an integer number (21373281).

Almost surely, 2^142349065 is an apocalyptic number.

142349065 is the 8437-th centered square number.

It is an amenable number.

142349065 is a deficient number, since it is larger than the sum of its proper divisors (28637183).

142349065 is a wasteful number, since it uses less digits than its factorization.

142349065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27899.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 142349065 is about 11931.0127399144. The cubic root of 142349065 is about 522.1374850103.

The spelling of 142349065 in words is "one hundred forty-two million, three hundred forty-nine thousand, sixty-five".