151655223 has 4 divisors (see below), whose sum is σ = 202206968. Its totient is φ = 101103480.

The previous prime is 151655221. The next prime is 151655227. The reversal of 151655223 is 322556151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 151655223 - 2¹ = 151655221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151655221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25275868 + ... + 25275873.

It is an arithmetic number, because the mean of its divisors is an integer number (50551742).

Almost surely, 2^151655223 is an apocalyptic number.

151655223 is a deficient number, since it is larger than the sum of its proper divisors (50551745).

151655223 is an equidigital number, since it uses as much as digits as its factorization.

151655223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50551744.

The product of its digits is 9000, while the sum is 30.

The square root of 151655223 is about 12314.8375141534. The cubic root of 151655223 is about 533.2765139556.

The spelling of 151655223 in words is "one hundred fifty-one million, six hundred fifty-five thousand, two hundred twenty-three".