201341154 has 64 divisors (see below), whose sum is σ = 472018176. Its totient is φ = 56070144.

The previous prime is 201341143. The next prime is 201341191. The reversal of 201341154 is 451143102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 201341154.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297064 + ... + 297740.

It is an arithmetic number, because the mean of its divisors is an integer number (7375284).

Almost surely, 2^201341154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201341154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236009088).

201341154 is an abundant number, since it is smaller than the sum of its proper divisors (270677022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201341154 is a wasteful number, since it uses less digits than its factorization.

201341154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 201341154 is about 14189.4733517492. The cubic root of 201341154 is about 586.1078226117.

Adding to 201341154 its reverse (451143102), we get a palindrome (652484256).

The spelling of 201341154 in words is "two hundred one million, three hundred forty-one thousand, one hundred fifty-four".