145003982 has 8 divisors (see below), whose sum is σ = 230300496. Its totient is φ = 68237152.

The previous prime is 145003981. The next prime is 145004011. The reversal of 145003982 is 289300541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145003981) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2132378 + ... + 2132445.

It is an arithmetic number, because the mean of its divisors is an integer number (28787562).

Almost surely, 2^145003982 is an apocalyptic number.

145003982 is a deficient number, since it is larger than the sum of its proper divisors (85296514).

145003982 is a wasteful number, since it uses less digits than its factorization.

145003982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264842.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 145003982 is about 12041.7599212075. The cubic root of 145003982 is about 525.3635963517.

The spelling of 145003982 in words is "one hundred forty-five million, three thousand, nine hundred eighty-two".