152340520 has 16 divisors (see below), whose sum is σ = 342766260. Its totient is φ = 60936192.

The previous prime is 152340491. The next prime is 152340527. The reversal of 152340520 is 25043251.

It can be written as a sum of positive squares in 2 ways, for example, as 131928196 + 20412324 = 11486^2 + 4518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152340491 and 152340500.

It is not an unprimeable number, because it can be changed into a prime (152340527) 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, 1904217 + ... + 1904296.

Almost surely, 2^152340520 is an apocalyptic number.

152340520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152340520 is an abundant number, since it is smaller than the sum of its proper divisors (190425740).

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

152340520 is a wasteful number, since it uses less digits than its factorization.

152340520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808524 (or 3808520 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 152340520 is about 12342.6301897124. The cubic root of 152340520 is about 534.0785606385.

Adding to 152340520 its reverse (25043251), we get a palindrome (177383771).

The spelling of 152340520 in words is "one hundred fifty-two million, three hundred forty thousand, five hundred twenty".