145235530 has 32 divisors (see below), whose sum is σ = 292154688. Its totient is φ = 51523200.

The previous prime is 145235507. The next prime is 145235533. The reversal of 145235530 is 35532541.

It is not an unprimeable number, because it can be changed into a prime (145235533) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11592 + ... + 20611.

It is an arithmetic number, because the mean of its divisors is an integer number (9129834).

Almost surely, 2^145235530 is an apocalyptic number.

145235530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145235530 is an abundant number, since it is smaller than the sum of its proper divisors (146919158).

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

145235530 is a wasteful number, since it uses less digits than its factorization.

145235530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32262.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 145235530 is about 12051.3704614869. The cubic root of 145235530 is about 525.6430879802.

The spelling of 145235530 in words is "one hundred forty-five million, two hundred thirty-five thousand, five hundred thirty".