201453516 has 72 divisors (see below), whose sum is σ = 558387648. Its totient is φ = 60732000.

The previous prime is 201453491. The next prime is 201453521. The reversal of 201453516 is 615354102.

201453516 is a `hidden beast` number, since 2 + 0 + 145 + 3 + 516 = 666.

201453516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201453516.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82351 + ... + 84761.

It is an arithmetic number, because the mean of its divisors is an integer number (7755384).

Almost surely, 2^201453516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201453516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279193824).

201453516 is an abundant number, since it is smaller than the sum of its proper divisors (356934132).

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

201453516 is a wasteful number, since it uses less digits than its factorization.

201453516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 201453516 is about 14193.4321430724. The cubic root of 201453516 is about 586.2168316227.

The spelling of 201453516 in words is "two hundred one million, four hundred fifty-three thousand, five hundred sixteen".