152520224 has 24 divisors (see below), whose sum is σ = 301535388. Its totient is φ = 75939840.

The previous prime is 152520223. The next prime is 152520233. The reversal of 152520224 is 422025251.

It can be written as a sum of positive squares in 2 ways, for example, as 150503824 + 2016400 = 12268^2 + 1420^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 152520224.

It is not an unprimeable number, because it can be changed into a prime (152520223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177 + ... + 17600.

Almost surely, 2^152520224 is an apocalyptic number.

It is an amenable number.

152520224 is a deficient number, since it is larger than the sum of its proper divisors (149015164).

152520224 is a wasteful number, since it uses less digits than its factorization.

152520224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20028 (or 20020 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 152520224 is about 12349.9078539073. The cubic root of 152520224 is about 534.2884814570.

Adding to 152520224 its reverse (422025251), we get a palindrome (574545475).

The spelling of 152520224 in words is "one hundred fifty-two million, five hundred twenty thousand, two hundred twenty-four".