152240717 has 4 divisors (see below), whose sum is σ = 152604480. Its totient is φ = 151876956.

The previous prime is 152240713. The next prime is 152240741. The reversal of 152240717 is 717042251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 717042251 = 61 ⋅11754791.

It is a cyclic number.

It is not a de Polignac number, because 152240717 - 2² = 152240713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152240717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152240713) 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, 181253 + ... + 182090.

It is an arithmetic number, because the mean of its divisors is an integer number (38151120).

Almost surely, 2^152240717 is an apocalyptic number.

It is an amenable number.

152240717 is a deficient number, since it is larger than the sum of its proper divisors (363763).

152240717 is an equidigital number, since it uses as much as digits as its factorization.

152240717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363762.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 152240717 is about 12338.5865073760. The cubic root of 152240717 is about 533.9619046828.

Adding to 152240717 its reverse (717042251), we get a palindrome (869282968).

The spelling of 152240717 in words is "one hundred fifty-two million, two hundred forty thousand, seven hundred seventeen".