153243155 has 8 divisors (see below), whose sum is σ = 198037392. Its totient is φ = 113164128.

The previous prime is 153243127. The next prime is 153243161. The reversal of 153243155 is 551342351.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153243155 is a prime.

It is a super-3 number, since 3×153243155³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1178729 + ... + 1178858.

It is an arithmetic number, because the mean of its divisors is an integer number (24754674).

Almost surely, 2^153243155 is an apocalyptic number.

153243155 is a deficient number, since it is larger than the sum of its proper divisors (44794237).

153243155 is a wasteful number, since it uses less digits than its factorization.

153243155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357605.

The product of its digits is 9000, while the sum is 29.

The square root of 153243155 is about 12379.1419331067. The cubic root of 153243155 is about 535.1313096619.

The spelling of 153243155 in words is "one hundred fifty-three million, two hundred forty-three thousand, one hundred fifty-five".