152545 has 4 divisors (see below), whose sum is σ = 183060. Its totient is φ = 122032.

The previous prime is 152539. The next prime is 152563. The reversal of 152545 is 545251.

152545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545251 = 7 ⋅77893.

It can be written as a sum of positive squares in 2 ways, for example, as 16384 + 136161 = 128^2 + 369^2 .

It is a cyclic number.

It is not a de Polignac number, because 152545 - 2⁷ = 152417 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15250 + ... + 15259.

It is an arithmetic number, because the mean of its divisors is an integer number (45765).

2¹⁵²⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

152545 is a deficient number, since it is larger than the sum of its proper divisors (30515).

152545 is an equidigital number, since it uses as much as digits as its factorization.

152545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30514.

The product of its digits is 1000, while the sum is 22.

The square root of 152545 is about 390.5700961415. The cubic root of 152545 is about 53.4317410549.

Adding to 152545 its reverse (545251), we get a palindrome (697796).

The spelling of 152545 in words is "one hundred fifty-two thousand, five hundred forty-five".