145033530 has 16 divisors (see below), whose sum is σ = 348080544. Its totient is φ = 38675600.

The previous prime is 145033529. The next prime is 145033549. The reversal of 145033530 is 35330541.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145033530.

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 7 ways as a sum of consecutive naturals, for example, 2417196 + ... + 2417255.

It is an arithmetic number, because the mean of its divisors is an integer number (21755034).

Almost surely, 2^145033530 is an apocalyptic number.

145033530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145033530 is an abundant number, since it is smaller than the sum of its proper divisors (203047014).

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

145033530 is a wasteful number, since it uses less digits than its factorization.

145033530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834461.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 145033530 is about 12042.9867557845. The cubic root of 145033530 is about 525.3992790252.

It can be divided in two parts, 1450 and 33530, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 145033530 in words is "one hundred forty-five million, thirty-three thousand, five hundred thirty".