201405150 has 96 divisors (see below), whose sum is σ = 558580320. Its totient is φ = 53360640.

The previous prime is 201405143. The next prime is 201405151. The reversal of 201405150 is 51504102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201405151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260164 + ... + 260936.

It is an arithmetic number, because the mean of its divisors is an integer number (5818545).

Almost surely, 2^201405150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201405150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279290160).

201405150 is an abundant number, since it is smaller than the sum of its proper divisors (357175170).

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

201405150 is a wasteful number, since it uses less digits than its factorization.

201405150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 201405150 is about 14191.7282245680. The cubic root of 201405150 is about 586.1699138801.

Adding to 201405150 its reverse (51504102), we get a palindrome (252909252).

The spelling of 201405150 in words is "two hundred one million, four hundred five thousand, one hundred fifty".