152148505 has 4 divisors (see below), whose sum is σ = 182578212. Its totient is φ = 121718800.

The previous prime is 152148481. The next prime is 152148539. The reversal of 152148505 is 505841251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505841251 = 20639 ⋅24509.

It can be written as a sum of positive squares in 2 ways, for example, as 49956624 + 102191881 = 7068^2 + 10109^2 .

It is not a de Polignac number, because 152148505 - 2⁷ = 152148377 is a prime.

It is a super-3 number, since 3×152148505³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15214846 + ... + 15214855.

It is an arithmetic number, because the mean of its divisors is an integer number (45644553).

Almost surely, 2^152148505 is an apocalyptic number.

It is an amenable number.

152148505 is a deficient number, since it is larger than the sum of its proper divisors (30429707).

152148505 is an equidigital number, since it uses as much as digits as its factorization.

152148505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30429706.

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 152148505 is about 12334.8492086446. The cubic root of 152148505 is about 533.8540762373.

Adding to 152148505 its reverse (505841251), we get a palindrome (657989756).

The spelling of 152148505 in words is "one hundred fifty-two million, one hundred forty-eight thousand, five hundred five".