142620233650 has 24 divisors (see below), whose sum is σ = 265312455300. Its totient is φ = 57039744960.

The previous prime is 142620233599. The next prime is 142620233659. The reversal of 142620233650 is 56332026241.

It can be written as a sum of positive squares in 6 ways, for example, as 77919697881 + 64700535769 = 279141^2 + 254363^2 .

It is not an unprimeable number, because it can be changed into a prime (142620233659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142212 + ... + 552688.

Almost surely, 2^142620233650 is an apocalyptic number.

142620233650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142620233650 is a deficient number, since it is larger than the sum of its proper divisors (122692221650).

142620233650 is a wasteful number, since it uses less digits than its factorization.

142620233650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417438 (or 417433 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 142620233650 its reverse (56332026241), we get a palindrome (198952259891).

The spelling of 142620233650 in words is "one hundred forty-two billion, six hundred twenty million, two hundred thirty-three thousand, six hundred fifty".