153213155 has 4 divisors (see below), whose sum is σ = 183855792. Its totient is φ = 122570520.

The previous prime is 153213127. The next prime is 153213209. The reversal of 153213155 is 551312351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551312351 = 359 ⋅1535689.

It is a de Polignac number, because none of the positive numbers 2^k-153213155 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 15321311 + ... + 15321320.

It is an arithmetic number, because the mean of its divisors is an integer number (45963948).

Almost surely, 2^153213155 is an apocalyptic number.

153213155 is a deficient number, since it is larger than the sum of its proper divisors (30642637).

153213155 is an equidigital number, since it uses as much as digits as its factorization.

153213155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30642636.

The product of its digits is 2250, while the sum is 26.

The square root of 153213155 is about 12377.9301581484. The cubic root of 153213155 is about 535.0963869775.

The spelling of 153213155 in words is "one hundred fifty-three million, two hundred thirteen thousand, one hundred fifty-five".