201145424402 has 16 divisors (see below), whose sum is σ = 325209572352. Its totient is φ = 92755678800.

The previous prime is 201145424399. The next prime is 201145424423. The reversal of 201145424402 is 204424541102.

It is a happy number.

201145424402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3330788 + ... + 3390639.

It is an arithmetic number, because the mean of its divisors is an integer number (20325598272).

Almost surely, 2^201145424402 is an apocalyptic number.

201145424402 is a deficient number, since it is larger than the sum of its proper divisors (124064147950).

201145424402 is a wasteful number, since it uses less digits than its factorization.

201145424402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722593.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 201145424402 its reverse (204424541102), we get a palindrome (405569965504).

The spelling of 201145424402 in words is "two hundred one billion, one hundred forty-five million, four hundred twenty-four thousand, four hundred two".