201554484 has 24 divisors (see below), whose sum is σ = 474458880. Its totient is φ = 66589824.

The previous prime is 201554477. The next prime is 201554501. The reversal of 201554484 is 484455102.

It is a happy number.

It is a congruent 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, 72964 + ... + 75675.

It is an arithmetic number, because the mean of its divisors is an integer number (19769120).

Almost surely, 2^201554484 is an apocalyptic number.

It is an amenable number.

201554484 is an abundant number, since it is smaller than the sum of its proper divisors (272904396).

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

201554484 is a wasteful number, since it uses less digits than its factorization.

201554484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148759 (or 148757 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 201554484 is about 14196.9885539152. The cubic root of 201554484 is about 586.3147520703.

The spelling of 201554484 in words is "two hundred one million, five hundred fifty-four thousand, four hundred eighty-four".