153540532 has 12 divisors (see below), whose sum is σ = 284501700. Its totient is φ = 72254336.

The previous prime is 153540521. The next prime is 153540533. The reversal of 153540532 is 235045351.

It can be written as a sum of positive squares in 2 ways, for example, as 134652816 + 18887716 = 11604^2 + 4346^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 153540532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153540533) 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, 1128907 + ... + 1129042.

It is an arithmetic number, because the mean of its divisors is an integer number (23708475).

Almost surely, 2^153540532 is an apocalyptic number.

It is an amenable number.

153540532 is a deficient number, since it is larger than the sum of its proper divisors (130961168).

153540532 is a wasteful number, since it uses less digits than its factorization.

153540532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257970 (or 2257968 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 153540532 is about 12391.1473237953. The cubic root of 153540532 is about 535.4772368411.

Adding to 153540532 its reverse (235045351), we get a palindrome (388585883).

The spelling of 153540532 in words is "one hundred fifty-three million, five hundred forty thousand, five hundred thirty-two".