151521324 has 12 divisors (see below), whose sum is σ = 353549784. Its totient is φ = 50507104.

The previous prime is 151521319. The next prime is 151521407. The reversal of 151521324 is 423125151.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 151521294 and 151521303.

It is an unprimeable 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, 6313377 + ... + 6313400.

It is an arithmetic number, because the mean of its divisors is an integer number (29462482).

Almost surely, 2^151521324 is an apocalyptic number.

It is an amenable number.

151521324 is an abundant number, since it is smaller than the sum of its proper divisors (202028460).

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

151521324 is a wasteful number, since it uses less digits than its factorization.

151521324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626784 (or 12626782 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 151521324 is about 12309.3998228996. The cubic root of 151521324 is about 533.1195214129.

Adding to 151521324 its reverse (423125151), we get a palindrome (574646475).

The spelling of 151521324 in words is "one hundred fifty-one million, five hundred twenty-one thousand, three hundred twenty-four".