151523226 has 48 divisors (see below), whose sum is σ = 340254720. Its totient is φ = 48682080.

The previous prime is 151523221. The next prime is 151523263. The reversal of 151523226 is 622325151.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 151523226.

It is not an unprimeable number, because it can be changed into a prime (151523221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213360 + ... + 214068.

It is an arithmetic number, because the mean of its divisors is an integer number (7088640).

Almost surely, 2^151523226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151523226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170127360).

151523226 is an abundant number, since it is smaller than the sum of its proper divisors (188731494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151523226 is a wasteful number, since it uses less digits than its factorization.

151523226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1128 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 151523226 is about 12309.4770806887. The cubic root of 151523226 is about 533.1217520980.

Adding to 151523226 its reverse (622325151), we get a palindrome (773848377).

The spelling of 151523226 in words is "one hundred fifty-one million, five hundred twenty-three thousand, two hundred twenty-six".