201445354115 has 4 divisors (see below), whose sum is σ = 241734424944. Its totient is φ = 161156283288.

The previous prime is 201445354093. The next prime is 201445354129. The reversal of 201445354115 is 511453544102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201445354115 - 2⁸ = 201445353859 is a prime.

It is a Duffinian number.

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, 20144535407 + ... + 20144535416.

It is an arithmetic number, because the mean of its divisors is an integer number (60433606236).

Almost surely, 2^201445354115 is an apocalyptic number.

201445354115 is a deficient number, since it is larger than the sum of its proper divisors (40289070829).

201445354115 is an equidigital number, since it uses as much as digits as its factorization.

201445354115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40289070828.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 201445354115 its reverse (511453544102), we get a palindrome (712898898217).

The spelling of 201445354115 in words is "two hundred one billion, four hundred forty-five million, three hundred fifty-four thousand, one hundred fifteen".