152303540 has 12 divisors (see below), whose sum is σ = 319837476. Its totient is φ = 60921408.

The previous prime is 152303533. The next prime is 152303579. The reversal of 152303540 is 45303251.

It can be written as a sum of positive squares in 2 ways, for example, as 102657424 + 49646116 = 10132^2 + 7046^2 .

It is a congruent number.

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, 3807569 + ... + 3807608.

It is an arithmetic number, because the mean of its divisors is an integer number (26653123).

Almost surely, 2^152303540 is an apocalyptic number.

152303540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152303540 is an abundant number, since it is smaller than the sum of its proper divisors (167533936).

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

152303540 is a wasteful number, since it uses less digits than its factorization.

152303540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615186 (or 7615184 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 152303540 is about 12341.1320388366. The cubic root of 152303540 is about 534.0353420572.

Adding to 152303540 its reverse (45303251), we get a palindrome (197606791).

The spelling of 152303540 in words is "one hundred fifty-two million, three hundred three thousand, five hundred forty".