201869148 has 120 divisors (see below), whose sum is σ = 554462720. Its totient is φ = 56946240.

The previous prime is 201869141. The next prime is 201869153. The reversal of 201869148 is 841968102.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201869141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6511893 + ... + 6511923.

Almost surely, 2^201869148 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 201869148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277231360).

201869148 is an abundant number, since it is smaller than the sum of its proper divisors (352593572).

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

201869148 is a wasteful number, since it uses less digits than its factorization.

201869148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 201869148 is about 14208.0663005210. The cubic root of 201869148 is about 586.6197088506.

The spelling of 201869148 in words is "two hundred one million, eight hundred sixty-nine thousand, one hundred forty-eight".