153132433 has 4 divisors (see below), whose sum is σ = 153621988. Its totient is φ = 152642880.

The previous prime is 153132403. The next prime is 153132437. The reversal of 153132433 is 334231351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 535824 + 152596609 = 732^2 + 12353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153132433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153132398 and 153132407.

It is not an unprimeable number, because it can be changed into a prime (153132437) by changing a digit.

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, 244308 + ... + 244933.

It is an arithmetic number, because the mean of its divisors is an integer number (38405497).

Almost surely, 2^153132433 is an apocalyptic number.

It is an amenable number.

153132433 is a deficient number, since it is larger than the sum of its proper divisors (489555).

153132433 is an equidigital number, since it uses as much as digits as its factorization.

153132433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489554.

The product of its digits is 3240, while the sum is 25.

The square root of 153132433 is about 12374.6690056745. The cubic root of 153132433 is about 535.0023967051.

Adding to 153132433 its reverse (334231351), we get a palindrome (487363784).

The spelling of 153132433 in words is "one hundred fifty-three million, one hundred thirty-two thousand, four hundred thirty-three".