152226143 has 4 divisors (see below), whose sum is σ = 161180640. Its totient is φ = 143271648.

The previous prime is 152226083. The next prime is 152226169. The reversal of 152226143 is 341622251.

It is a happy number.

152226143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341622251 = 71 ⋅4811581.

It is not a de Polignac number, because 152226143 - 2⁶ = 152226079 is a prime.

It is a super-2 number, since 2×152226143² = 46345597225312898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152226643) 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, 4477223 + ... + 4477256.

It is an arithmetic number, because the mean of its divisors is an integer number (40295160).

Almost surely, 2^152226143 is an apocalyptic number.

152226143 is a deficient number, since it is larger than the sum of its proper divisors (8954497).

152226143 is an equidigital number, since it uses as much as digits as its factorization.

152226143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8954496.

The product of its digits is 2880, while the sum is 26.

The square root of 152226143 is about 12337.9959069534. The cubic root of 152226143 is about 533.9448654191.

Adding to 152226143 its reverse (341622251), we get a palindrome (493848394).

The spelling of 152226143 in words is "one hundred fifty-two million, two hundred twenty-six thousand, one hundred forty-three".