152023733 has 4 divisors (see below), whose sum is σ = 152475180. Its totient is φ = 151572288.

The previous prime is 152023727. The next prime is 152023763. The reversal of 152023733 is 337320251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 337320251 = 43 ⋅7844657.

It can be written as a sum of positive squares in 2 ways, for example, as 106028209 + 45995524 = 10297^2 + 6782^2 .

It is a cyclic number.

It is not a de Polignac number, because 152023733 - 2⁸ = 152023477 is a prime.

It is a super-2 number, since 2×152023733² = 46222430790510578, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152023723) 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, 225218 + ... + 225891.

It is an arithmetic number, because the mean of its divisors is an integer number (38118795).

Almost surely, 2^152023733 is an apocalyptic number.

It is an amenable number.

152023733 is a deficient number, since it is larger than the sum of its proper divisors (451447).

152023733 is an equidigital number, since it uses as much as digits as its factorization.

152023733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451446.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 152023733 is about 12329.7904686171. The cubic root of 152023733 is about 533.7081042534.

Adding to 152023733 its reverse (337320251), we get a palindrome (489343984).

The spelling of 152023733 in words is "one hundred fifty-two million, twenty-three thousand, seven hundred thirty-three".