151232 has 28 divisors (see below), whose sum is σ = 320040. Its totient is φ = 70656.
The previous prime is 151213. The next prime is 151237. The reversal of 151232 is 232151.
It is a happy number.
It is a super-2 number, since 2×1512322 = 45742235648, which contains 22 as substring.
151232 is a Rhonda number in base 12.
It is not an unprimeable number, because it can be changed into a prime (151237) by changing a digit.
151232 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019 + ... + 1157.
It is an arithmetic number, because the mean of its divisors is an integer number (11430).
2151232 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 151232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160020).
151232 is an abundant number, since it is smaller than the sum of its proper divisors (168808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151232 is a wasteful number, since it uses less digits than its factorization.
151232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168 (or 158 counting only the distinct ones).
The product of its digits is 60, while the sum is 14.
The square root of 151232 is about 388.8855872876. The cubic root of 151232 is about 53.2779981633.
Adding to 151232 its reverse (232151), we get a palindrome (383383).
It can be divided in two parts, 1512 and 32, that multiplied together give a palindrome (48384).
The spelling of 151232 in words is "one hundred fifty-one thousand, two hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •