201540152 has 64 divisors (see below), whose sum is σ = 422776800. Its totient is φ = 89303040.

The previous prime is 201540121. The next prime is 201540161. The reversal of 201540152 is 251045102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879974 + ... + 880202.

Almost surely, 2^201540152 is an apocalyptic number.

201540152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201540152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211388400).

201540152 is an abundant number, since it is smaller than the sum of its proper divisors (221236648).

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

201540152 is a wasteful number, since it uses less digits than its factorization.

201540152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 201540152 is about 14196.4837900094. The cubic root of 201540152 is about 586.3008546498.

Adding to 201540152 its reverse (251045102), we get a palindrome (452585254).

The spelling of 201540152 in words is "two hundred one million, five hundred forty thousand, one hundred fifty-two".