152250240 has 128 divisors (see below), whose sum is σ = 489110400. Its totient is φ = 40282112.

The previous prime is 152250223. The next prime is 152250247. The reversal of 152250240 is 42052251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152250247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343459 + ... + 343901.

It is an arithmetic number, because the mean of its divisors is an integer number (3821175).

Almost surely, 2^152250240 is an apocalyptic number.

152250240 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 152250240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244555200).

152250240 is an abundant number, since it is smaller than the sum of its proper divisors (336860160).

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

152250240 is a wasteful number, since it uses less digits than its factorization.

152250240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 152250240 is about 12338.9724045400. The cubic root of 152250240 is about 533.9730379575.

The spelling of 152250240 in words is "one hundred fifty-two million, two hundred fifty thousand, two hundred forty".