142232245 has 4 divisors (see below), whose sum is σ = 170678700. Its totient is φ = 113785792.

The previous prime is 142232221. The next prime is 142232317. The reversal of 142232245 is 542232241.

142232245 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 can be written as a sum of positive squares in 2 ways, for example, as 20196036 + 122036209 = 4494^2 + 11047^2 .

It is a cyclic number.

It is not a de Polignac number, because 142232245 - 2⁷ = 142232117 is a prime.

It is a congruent 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, 14223220 + ... + 14223229.

It is an arithmetic number, because the mean of its divisors is an integer number (42669675).

Almost surely, 2^142232245 is an apocalyptic number.

It is an amenable number.

142232245 is a deficient number, since it is larger than the sum of its proper divisors (28446455).

142232245 is an equidigital number, since it uses as much as digits as its factorization.

142232245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28446454.

The product of its digits is 3840, while the sum is 25.

The square root of 142232245 is about 11926.1160903288. The cubic root of 142232245 is about 521.9946136954.

Adding to 142232245 its reverse (542232241), we get a palindrome (684464486).

The spelling of 142232245 in words is "one hundred forty-two million, two hundred thirty-two thousand, two hundred forty-five".