152665441 has 4 divisors (see below), whose sum is σ = 156791572. Its totient is φ = 148539312.

The previous prime is 152665433. The next prime is 152665481. The reversal of 152665441 is 144566251.

152665441 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: 144566251 = 9463 ⋅15277.

It can be written as a sum of positive squares in 2 ways, for example, as 58982400 + 93683041 = 7680^2 + 9679^2 .

It is not a de Polignac number, because 152665441 - 2³ = 152665433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152665397 and 152665406.

It is not an unprimeable number, because it can be changed into a prime (152665481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063010 + ... + 2063083.

It is an arithmetic number, because the mean of its divisors is an integer number (39197893).

Almost surely, 2^152665441 is an apocalyptic number.

It is an amenable number.

152665441 is a deficient number, since it is larger than the sum of its proper divisors (4126131).

152665441 is an equidigital number, since it uses as much as digits as its factorization.

152665441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126130.

The product of its digits is 28800, while the sum is 34.

The square root of 152665441 is about 12355.7857297705. The cubic root of 152665441 is about 534.4579959367.

The spelling of 152665441 in words is "one hundred fifty-two million, six hundred sixty-five thousand, four hundred forty-one".