153242243 has 8 divisors (see below), whose sum is σ = 191055360. Its totient is φ = 119409480.

The previous prime is 153242237. The next prime is 153242281. The reversal of 153242243 is 342242351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 153242243 - 2¹⁰ = 153241219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153242203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995003 + ... + 995156.

It is an arithmetic number, because the mean of its divisors is an integer number (23881920).

Almost surely, 2^153242243 is an apocalyptic number.

153242243 is a deficient number, since it is larger than the sum of its proper divisors (37813117).

153242243 is a wasteful number, since it uses less digits than its factorization.

153242243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990177.

The product of its digits is 5760, while the sum is 26.

The square root of 153242243 is about 12379.1050968961. The cubic root of 153242243 is about 535.1302480795.

Adding to 153242243 its reverse (342242351), we get a palindrome (495484594).

The spelling of 153242243 in words is "one hundred fifty-three million, two hundred forty-two thousand, two hundred forty-three".