151228 has 24 divisors (see below), whose sum is σ = 330624. Its totient is φ = 58800.

The previous prime is 151213. The next prime is 151237. The reversal of 151228 is 822151.

It is a super-3 number, since 3×151228³ = 10375711333813056, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63 + ... + 553.

It is an arithmetic number, because the mean of its divisors is an integer number (13776).

2¹⁵¹²²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165312).

151228 is an abundant number, since it is smaller than the sum of its proper divisors (179396).

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

151228 is a wasteful number, since it uses less digits than its factorization.

151228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 511 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 151228 is about 388.8804443528. The cubic root of 151228 is about 53.2775284349.

Adding to 151228 its reverse (822151), we get a palindrome (973379).

It can be divided in two parts, 1512 and 28, that added together give a triangular number (1540 = T₅₅).

The spelling of 151228 in words is "one hundred fifty-one thousand, two hundred twenty-eight".