152240452 has 72 divisors (see below), whose sum is σ = 336835800. Its totient is φ = 59673600.

The previous prime is 152240449. The next prime is 152240453. The reversal of 152240452 is 254042251.

It can be written as a sum of positive squares in 4 ways, for example, as 15256836 + 136983616 = 3906^2 + 11704^2 .

It is not an unprimeable number, because it can be changed into a prime (152240453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379452 + ... + 379852.

It is an arithmetic number, because the mean of its divisors is an integer number (4678275).

Almost surely, 2^152240452 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 152240452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168417900).

152240452 is an abundant number, since it is smaller than the sum of its proper divisors (184595348).

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

152240452 is a wasteful number, since it uses less digits than its factorization.

152240452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 152240452 is about 12338.5757687020. The cubic root of 152240452 is about 533.9615948664.

The spelling of 152240452 in words is "one hundred fifty-two million, two hundred forty thousand, four hundred fifty-two".