152424240 has 80 divisors (see below), whose sum is σ = 475469568. Its totient is φ = 40392448.

The previous prime is 152424229. The next prime is 152424247. The reversal of 152424240 is 42424251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 152424240.

It is not an unprimeable number, because it can be changed into a prime (152424247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38179 + ... + 41981.

Almost surely, 2^152424240 is an apocalyptic number.

152424240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152424240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237734784).

152424240 is an abundant number, since it is smaller than the sum of its proper divisors (323045328).

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

152424240 is a wasteful number, since it uses less digits than its factorization.

152424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986 (or 3980 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 152424240 is about 12346.0212214300. The cubic root of 152424240 is about 534.1763784938.

Adding to 152424240 its reverse (42424251), we get a palindrome (194848491).

The spelling of 152424240 in words is "one hundred fifty-two million, four hundred twenty-four thousand, two hundred forty".