142202356 has 6 divisors (see below), whose sum is σ = 248854130. Its totient is φ = 71101176.

The previous prime is 142202351. The next prime is 142202369. The reversal of 142202356 is 653202241.

It can be written as a sum of positive squares in only one way, i.e., 138438756 + 3763600 = 11766^2 + 1940^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142202356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142202351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17775291 + ... + 17775298.

Almost surely, 2^142202356 is an apocalyptic number.

It is an amenable number.

142202356 is a deficient number, since it is larger than the sum of its proper divisors (106651774).

142202356 is a wasteful number, since it uses less digits than its factorization.

142202356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35550593 (or 35550591 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 142202356 is about 11924.8629342228. The cubic root of 142202356 is about 521.9580467646.

Adding to 142202356 its reverse (653202241), we get a palindrome (795404597).

The spelling of 142202356 in words is "one hundred forty-two million, two hundred two thousand, three hundred fifty-six".