202156245435 has 48 divisors (see below), whose sum is σ = 338121029376. Its totient is φ = 103125273216.

The previous prime is 202156245427. The next prime is 202156245437. The reversal of 202156245435 is 534542651202.

It is not a de Polignac number, because 202156245435 - 2³ = 202156245427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202156245393 and 202156245402.

It is not an unprimeable number, because it can be changed into a prime (202156245437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1274922 + ... + 1424688.

It is an arithmetic number, because the mean of its divisors is an integer number (7044188112).

Almost surely, 2^202156245435 is an apocalyptic number.

202156245435 is a deficient number, since it is larger than the sum of its proper divisors (135964783941).

202156245435 is a wasteful number, since it uses less digits than its factorization.

202156245435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149940 (or 149911 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 202156245435 its reverse (534542651202), we get a palindrome (736698896637).

The spelling of 202156245435 in words is "two hundred two billion, one hundred fifty-six million, two hundred forty-five thousand, four hundred thirty-five".