145824250 has 64 divisors (see below), whose sum is σ = 320785920. Its totient is φ = 48936000.

The previous prime is 145824247. The next prime is 145824251. The reversal of 145824250 is 52428541.

145824250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145824251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33711 + ... + 37789.

It is an arithmetic number, because the mean of its divisors is an integer number (5012280).

Almost surely, 2^145824250 is an apocalyptic number.

145824250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145824250 is an abundant number, since it is smaller than the sum of its proper divisors (174961670).

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

145824250 is a wasteful number, since it uses less digits than its factorization.

145824250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120 (or 4110 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 145824250 is about 12075.7711969050. The cubic root of 145824250 is about 526.3523712731.

The spelling of 145824250 in words is "one hundred forty-five million, eight hundred twenty-four thousand, two hundred fifty".