152232440 has 16 divisors (see below), whose sum is σ = 342523080. Its totient is φ = 60892960.

The previous prime is 152232439. The next prime is 152232463. The reversal of 152232440 is 44232251.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 1902866 + ... + 1902945.

Almost surely, 2^152232440 is an apocalyptic number.

152232440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152232440 is an abundant number, since it is smaller than the sum of its proper divisors (190290640).

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

152232440 is a wasteful number, since it uses less digits than its factorization.

152232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805822 (or 3805818 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 152232440 is about 12338.2510916256. The cubic root of 152232440 is about 533.9522277210.

Adding to 152232440 its reverse (44232251), we get a palindrome (196464691).

The spelling of 152232440 in words is "one hundred fifty-two million, two hundred thirty-two thousand, four hundred forty".