142553433236 has 6 divisors (see below), whose sum is σ = 249468508170. Its totient is φ = 71276716616.

The previous prime is 142553433223. The next prime is 142553433271. The reversal of 142553433236 is 632334355241.

It can be written as a sum of positive squares in only one way, i.e., 142242122500 + 311310736 = 377150^2 + 17644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142553433193 and 142553433202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17819179151 + ... + 17819179158.

It is an arithmetic number, because the mean of its divisors is an integer number (41578084695).

Almost surely, 2^142553433236 is an apocalyptic number.

It is an amenable number.

142553433236 is a deficient number, since it is larger than the sum of its proper divisors (106915074934).

142553433236 is a wasteful number, since it uses less digits than its factorization.

142553433236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35638358313 (or 35638358311 counting only the distinct ones).

The product of its digits is 777600, while the sum is 41.

Adding to 142553433236 its reverse (632334355241), we get a palindrome (774887788477).

The spelling of 142553433236 in words is "one hundred forty-two billion, five hundred fifty-three million, four hundred thirty-three thousand, two hundred thirty-six".