202134234545 has 8 divisors (see below), whose sum is σ = 242608496640. Its totient is φ = 161675777520.

The previous prime is 202134234539. The next prime is 202134234583. The reversal of 202134234545 is 545432431202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202134234545 - 2¹⁶ = 202134169009 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3923111 + ... + 3974300.

It is an arithmetic number, because the mean of its divisors is an integer number (30326062080).

Almost surely, 2^202134234545 is an apocalyptic number.

It is an amenable number.

202134234545 is a deficient number, since it is larger than the sum of its proper divisors (40474262095).

202134234545 is an equidigital number, since it uses as much as digits as its factorization.

202134234545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902535.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 202134234545 its reverse (545432431202), we get a palindrome (747566665747).

The spelling of 202134234545 in words is "two hundred two billion, one hundred thirty-four million, two hundred thirty-four thousand, five hundred forty-five".