152503530 has 16 divisors (see below), whose sum is σ = 366008544. Its totient is φ = 40667600.

The previous prime is 152503523. The next prime is 152503531. The reversal of 152503530 is 35305251.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 152503530.

It is not an unprimeable number, because it can be changed into a prime (152503531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2541696 + ... + 2541755.

It is an arithmetic number, because the mean of its divisors is an integer number (22875534).

Almost surely, 2^152503530 is an apocalyptic number.

152503530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152503530 is an abundant number, since it is smaller than the sum of its proper divisors (213505014).

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

152503530 is a wasteful number, since it uses less digits than its factorization.

152503530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083461.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 152503530 is about 12349.2319599237. The cubic root of 152503530 is about 534.2689873486.

Adding to 152503530 its reverse (35305251), we get a palindrome (187808781).

The spelling of 152503530 in words is "one hundred fifty-two million, five hundred three thousand, five hundred thirty".