142205365 has 8 divisors (see below), whose sum is σ = 171590328. Its totient is φ = 113135040.

The previous prime is 142205363. The next prime is 142205377. The reversal of 142205365 is 563502241.

It can be written as a sum of positive squares in 4 ways, for example, as 10093329 + 132112036 = 3177^2 + 11494^2 .

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

It is not a de Polignac number, because 142205365 - 2¹ = 142205363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142205363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77662 + ... + 79471.

It is an arithmetic number, because the mean of its divisors is an integer number (21448791).

Almost surely, 2^142205365 is an apocalyptic number.

It is an amenable number.

142205365 is a deficient number, since it is larger than the sum of its proper divisors (29384963).

142205365 is a wasteful number, since it uses less digits than its factorization.

142205365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157319.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 142205365 is about 11924.9890985275. The cubic root of 142205365 is about 521.9617282804.

The spelling of 142205365 in words is "one hundred forty-two million, two hundred five thousand, three hundred sixty-five".