201344155 has 8 divisors (see below), whose sum is σ = 243213984. Its totient is φ = 160008000.

The previous prime is 201344137. The next prime is 201344177. The reversal of 201344155 is 551443102.

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 201344155 - 2⁵ = 201344123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132586 + ... + 134095.

It is an arithmetic number, because the mean of its divisors is an integer number (30401748).

Almost surely, 2^201344155 is an apocalyptic number.

201344155 is a deficient number, since it is larger than the sum of its proper divisors (41869829).

201344155 is a wasteful number, since it uses less digits than its factorization.

201344155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266837.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 201344155 is about 14189.5790987612. The cubic root of 201344155 is about 586.1107345861.

Adding to 201344155 its reverse (551443102), we get a palindrome (752787257).

The spelling of 201344155 in words is "two hundred one million, three hundred forty-four thousand, one hundred fifty-five".