153243542 has 32 divisors (see below), whose sum is σ = 247883328. Its totient is φ = 70798336.

The previous prime is 153243499. The next prime is 153243553. The reversal of 153243542 is 245342351.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777788 + ... + 777984.

It is an arithmetic number, because the mean of its divisors is an integer number (7746354).

Almost surely, 2^153243542 is an apocalyptic number.

153243542 is a deficient number, since it is larger than the sum of its proper divisors (94639786).

153243542 is a wasteful number, since it uses less digits than its factorization.

153243542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

The product of its digits is 14400, while the sum is 29.

The square root of 153243542 is about 12379.1575642287. The cubic root of 153243542 is about 535.1317601348.

Adding to 153243542 its reverse (245342351), we get a palindrome (398585893).

The spelling of 153243542 in words is "one hundred fifty-three million, two hundred forty-three thousand, five hundred forty-two".