152544820 has 12 divisors (see below), whose sum is σ = 320344164. Its totient is φ = 61017920.

The previous prime is 152544803. The next prime is 152544827. The reversal of 152544820 is 28445251.

It can be written as a sum of positive squares in 2 ways, for example, as 59074596 + 93470224 = 7686^2 + 9668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152544827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3813601 + ... + 3813640.

It is an arithmetic number, because the mean of its divisors is an integer number (26695347).

Almost surely, 2^152544820 is an apocalyptic number.

152544820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152544820 is an abundant number, since it is smaller than the sum of its proper divisors (167799344).

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

152544820 is a wasteful number, since it uses less digits than its factorization.

152544820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7627250 (or 7627248 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 152544820 is about 12350.9036106675. The cubic root of 152544820 is about 534.3172003875.

The spelling of 152544820 in words is "one hundred fifty-two million, five hundred forty-four thousand, eight hundred twenty".