152323540 has 24 divisors (see below), whose sum is σ = 320333832. Its totient is φ = 60842880.

The previous prime is 152323531. The next prime is 152323547. The reversal of 152323540 is 45323251.

It can be written as a sum of positive squares in 4 ways, for example, as 25040016 + 127283524 = 5004^2 + 11282^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152323547) 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 7 ways as a sum of consecutive naturals, for example, 10110 + ... + 20170.

It is an arithmetic number, because the mean of its divisors is an integer number (13347243).

Almost surely, 2^152323540 is an apocalyptic number.

152323540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152323540 is an abundant number, since it is smaller than the sum of its proper divisors (168010292).

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

152323540 is a wasteful number, since it uses less digits than its factorization.

152323540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10827 (or 10825 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 152323540 is about 12341.9423106738. The cubic root of 152323540 is about 534.0587169556.

Adding to 152323540 its reverse (45323251), we get a palindrome (197646791).

The spelling of 152323540 in words is "one hundred fifty-two million, three hundred twenty-three thousand, five hundred forty".