152520040 has 16 divisors (see below), whose sum is σ = 343170180. Its totient is φ = 61008000.

The previous prime is 152520037. The next prime is 152520089. The reversal of 152520040 is 40025251.

It can be written as a sum of positive squares in 2 ways, for example, as 142420356 + 10099684 = 11934^2 + 3178^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906461 + ... + 1906540.

Almost surely, 2^152520040 is an apocalyptic number.

152520040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152520040 is an abundant number, since it is smaller than the sum of its proper divisors (190650140).

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

152520040 is a wasteful number, since it uses less digits than its factorization.

152520040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813012 (or 3813008 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 152520040 is about 12349.9004044567. The cubic root of 152520040 is about 534.2882666022.

Adding to 152520040 its reverse (40025251), we get a palindrome (192545291).

The spelling of 152520040 in words is "one hundred fifty-two million, five hundred twenty thousand, forty".