202796132545 has 4 divisors (see below), whose sum is σ = 243355359060. Its totient is φ = 162236906032.

The previous prime is 202796132531. The next prime is 202796132593. The reversal of 202796132545 is 545231697202.

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 41210624016 + 161585508529 = 203004^2 + 401977^2 .

It is a cyclic number.

It is not a de Polignac number, because 202796132545 - 2⁷ = 202796132417 is a prime.

It is a super-2 number, since 2×202796132545² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202796132495 and 202796132504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20279613250 + ... + 20279613259.

It is an arithmetic number, because the mean of its divisors is an integer number (60838839765).

Almost surely, 2^202796132545 is an apocalyptic number.

It is an amenable number.

202796132545 is a deficient number, since it is larger than the sum of its proper divisors (40559226515).

202796132545 is an equidigital number, since it uses as much as digits as its factorization.

202796132545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40559226514.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 202796132545 in words is "two hundred two billion, seven hundred ninety-six million, one hundred thirty-two thousand, five hundred forty-five".