153240532 has 12 divisors (see below), whose sum is σ = 275419060. Its totient is φ = 74549376.

The previous prime is 153240517. The next prime is 153240583. The reversal of 153240532 is 235042351.

It can be written as a sum of positive squares in 2 ways, for example, as 144865296 + 8375236 = 12036^2 + 2894^2 .

It is a junction number, because it is equal to n+sod(n) for n = 153240497 and 153240506.

It is a congruent 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, 517557 + ... + 517852.

Almost surely, 2^153240532 is an apocalyptic number.

It is an amenable number.

153240532 is a deficient number, since it is larger than the sum of its proper divisors (122178528).

153240532 is a wasteful number, since it uses less digits than its factorization.

153240532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035450 (or 1035448 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 153240532 is about 12379.0359883151. The cubic root of 153240532 is about 535.1282564371.

Adding to 153240532 its reverse (235042351), we get a palindrome (388282883).

The spelling of 153240532 in words is "one hundred fifty-three million, two hundred forty thousand, five hundred thirty-two".