145075380 has 24 divisors (see below), whose sum is σ = 406211232. Its totient is φ = 38686752.

The previous prime is 145075373. The next prime is 145075391. The reversal of 145075380 is 83570541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208902 + ... + 1209021.

It is an arithmetic number, because the mean of its divisors is an integer number (16925468).

Almost surely, 2^145075380 is an apocalyptic number.

145075380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145075380 is an abundant number, since it is smaller than the sum of its proper divisors (261135852).

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

145075380 is a wasteful number, since it uses less digits than its factorization.

145075380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417935 (or 2417933 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 145075380 is about 12044.7241562437. The cubic root of 145075380 is about 525.4498095135.

The spelling of 145075380 in words is "one hundred forty-five million, seventy-five thousand, three hundred eighty".