152505530 has 16 divisors (see below), whose sum is σ = 275381640. Its totient is φ = 60808512.

The previous prime is 152505517. The next prime is 152505559. The reversal of 152505530 is 35505251.

It can be written as a sum of positive squares in 4 ways, for example, as 88040689 + 64464841 = 9383^2 + 8029^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 152505530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20885 + ... + 27224.

Almost surely, 2^152505530 is an apocalyptic number.

152505530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152505530 is a deficient number, since it is larger than the sum of its proper divisors (122876110).

152505530 is a wasteful number, since it uses less digits than its factorization.

152505530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48433.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 152505530 is about 12349.3129363540. The cubic root of 152505530 is about 534.2713228864.

The spelling of 152505530 in words is "one hundred fifty-two million, five hundred five thousand, five hundred thirty".