145532450 has 72 divisors (see below), whose sum is σ = 317551104. Its totient is φ = 49476000.

The previous prime is 145532447. The next prime is 145532489. The reversal of 145532450 is 54235541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 467795 + ... + 468105.

It is an arithmetic number, because the mean of its divisors is an integer number (4410432).

Almost surely, 2^145532450 is an apocalyptic number.

145532450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145532450 is an abundant number, since it is smaller than the sum of its proper divisors (172018654).

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

145532450 is a wasteful number, since it uses less digits than its factorization.

145532450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 145532450 is about 12063.6831026018. The cubic root of 145532450 is about 526.0010529744.

Adding to 145532450 its reverse (54235541), we get a palindrome (199767991).

The spelling of 145532450 in words is "one hundred forty-five million, five hundred thirty-two thousand, four hundred fifty".