201554150 has 36 divisors (see below), whose sum is σ = 436102668. Its totient is φ = 69103440.

The previous prime is 201554063. The next prime is 201554153. The reversal of 201554150 is 51455102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201554153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 38684 + ... + 43583.

It is an arithmetic number, because the mean of its divisors is an integer number (12113963).

Almost surely, 2^201554150 is an apocalyptic number.

201554150 is an abundant number, since it is smaller than the sum of its proper divisors (234548518).

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

201554150 is a wasteful number, since it uses less digits than its factorization.

201554150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82293 (or 82281 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 201554150 is about 14196.9767908523. The cubic root of 201554150 is about 586.3144282054.

It can be divided in two parts, 2015 and 54150, that added together give a palindrome (56165).

The spelling of 201554150 in words is "two hundred one million, five hundred fifty-four thousand, one hundred fifty".