151513232 has 60 divisors (see below), whose sum is σ = 320978340. Its totient is φ = 69249024.

The previous prime is 151513223. The next prime is 151513237. The reversal of 151513232 is 232315151.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1597696 + 149915536 = 1264^2 + 12244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151513198 and 151513207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151513237) 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 11 ways as a sum of consecutive naturals, for example, 370244 + ... + 370652.

It is an arithmetic number, because the mean of its divisors is an integer number (5349639).

Almost surely, 2^151513232 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 151513232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160489170).

151513232 is an abundant number, since it is smaller than the sum of its proper divisors (169465108).

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

151513232 is a wasteful number, since it uses less digits than its factorization.

151513232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 561 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 151513232 is about 12309.0711266123. The cubic root of 151513232 is about 533.1100308236.

Adding to 151513232 its reverse (232315151), we get a palindrome (383828383).

The spelling of 151513232 in words is "one hundred fifty-one million, five hundred thirteen thousand, two hundred thirty-two".