152505145 has 16 divisors (see below), whose sum is σ = 197587152. Its totient is φ = 112331520.

The previous prime is 152505131. The next prime is 152505179. The reversal of 152505145 is 541505251.

It can be written as a sum of positive squares in 8 ways, for example, as 95472441 + 57032704 = 9771^2 + 7552^2 .

It is not a de Polignac number, because 152505145 - 2⁹ = 152504633 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 24579 + ... + 30151.

It is an arithmetic number, because the mean of its divisors is an integer number (12349197).

Almost surely, 2^152505145 is an apocalyptic number.

It is an amenable number.

152505145 is a deficient number, since it is larger than the sum of its proper divisors (45082007).

152505145 is a wasteful number, since it uses less digits than its factorization.

152505145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 152505145 is about 12349.2973484324. The cubic root of 152505145 is about 534.2708732970.

The spelling of 152505145 in words is "one hundred fifty-two million, five hundred five thousand, one hundred forty-five".