153212273 has 4 divisors (see below), whose sum is σ = 155058288. Its totient is φ = 151366260.

The previous prime is 153212251. The next prime is 153212299. The reversal of 153212273 is 372212351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 153212273 - 2⁶ = 153212209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153212243) by changing a digit.

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, 922883 + ... + 923048.

It is an arithmetic number, because the mean of its divisors is an integer number (38764572).

Almost surely, 2^153212273 is an apocalyptic number.

It is an amenable number.

153212273 is a deficient number, since it is larger than the sum of its proper divisors (1846015).

153212273 is an equidigital number, since it uses as much as digits as its factorization.

153212273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846014.

The product of its digits is 2520, while the sum is 26.

The square root of 153212273 is about 12377.8945301695. The cubic root of 153212273 is about 535.0953601816.

The spelling of 153212273 in words is "one hundred fifty-three million, two hundred twelve thousand, two hundred seventy-three".