142645100233 has 4 divisors (see below), whose sum is σ = 151035988500. Its totient is φ = 134254211968.

The previous prime is 142645100209. The next prime is 142645100291. The reversal of 142645100233 is 332001546241.

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 117866562489 + 24778537744 = 343317^2 + 157412^2 .

It is a cyclic number.

It is not a de Polignac number, because 142645100233 - 2¹³ = 142645092041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142645100195 and 142645100204.

It is not an unprimeable number, because it can be changed into a prime (142645100293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4195444108 + ... + 4195444141.

It is an arithmetic number, because the mean of its divisors is an integer number (37758997125).

Almost surely, 2^142645100233 is an apocalyptic number.

It is an amenable number.

142645100233 is a deficient number, since it is larger than the sum of its proper divisors (8390888267).

142645100233 is an equidigital number, since it uses as much as digits as its factorization.

142645100233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8390888266.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 142645100233 its reverse (332001546241), we get a palindrome (474646646474).

The spelling of 142645100233 in words is "one hundred forty-two billion, six hundred forty-five million, one hundred thousand, two hundred thirty-three".