152240 has 40 divisors (see below), whose sum is σ = 388368. Its totient is φ = 55040.

The previous prime is 152239. The next prime is 152249. The reversal of 152240 is 42251.

It is a tau number, because it is divible by the number of its divisors (40).

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (152249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794 + ... + 966.

2¹⁵²²⁴⁰ is an apocalyptic number.

152240 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 152240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194184).

152240 is an abundant number, since it is smaller than the sum of its proper divisors (236128).

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

152240 is a wasteful number, since it uses less digits than its factorization.

152240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 152240 is about 390.1794458964. The cubic root of 152240 is about 53.3961066424.

Adding to 152240 its reverse (42251), we get a palindrome (194491).

The spelling of 152240 in words is "one hundred fifty-two thousand, two hundred forty".