152320540 has 12 divisors (see below), whose sum is σ = 319873176. Its totient is φ = 60928208.

The previous prime is 152320529. The next prime is 152320541. The reversal of 152320540 is 45023251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152320541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3807994 + ... + 3808033.

It is an arithmetic number, because the mean of its divisors is an integer number (26656098).

Almost surely, 2^152320540 is an apocalyptic number.

152320540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152320540 is an abundant number, since it is smaller than the sum of its proper divisors (167552636).

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

152320540 is a wasteful number, since it uses less digits than its factorization.

152320540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616036 (or 7616034 counting only the distinct ones).

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

The square root of 152320540 is about 12341.8207732895. The cubic root of 152320540 is about 534.0552108513.

Adding to 152320540 its reverse (45023251), we get a palindrome (197343791).

The spelling of 152320540 in words is "one hundred fifty-two million, three hundred twenty thousand, five hundred forty".