151115223 has 8 divisors (see below), whose sum is σ = 230270848. Its totient is φ = 86351544.

The previous prime is 151115207. The next prime is 151115231. The reversal of 151115223 is 322511151.

151115223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 151115223 - 2⁴ = 151115207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 7195963 = 151115223 / (1 + 5 + 1 + 1 + 1 + 5 + 2 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151115223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151115123) 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, 3597961 + ... + 3598002.

It is an arithmetic number, because the mean of its divisors is an integer number (28783856).

Almost surely, 2^151115223 is an apocalyptic number.

151115223 is a deficient number, since it is larger than the sum of its proper divisors (79155625).

151115223 is an equidigital number, since it uses as much as digits as its factorization.

151115223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195973.

The product of its digits is 300, while the sum is 21.

The square root of 151115223 is about 12292.8931907830. The cubic root of 151115223 is about 532.6428138624.

Adding to 151115223 its reverse (322511151), we get a palindrome (473626374).

The spelling of 151115223 in words is "one hundred fifty-one million, one hundred fifteen thousand, two hundred twenty-three".