145005582 has 8 divisors (see below), whose sum is σ = 290011176. Its totient is φ = 48335192.

The previous prime is 145005577. The next prime is 145005583. The reversal of 145005582 is 285500541.

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

145005582 is an admirable number.

It is a super-2 number, since 2×145005582² = 42053237622317448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145005583) 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 3 ways as a sum of consecutive naturals, for example, 12083793 + ... + 12083804.

It is an arithmetic number, because the mean of its divisors is an integer number (36251397).

Almost surely, 2^145005582 is an apocalyptic number.

145005582 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145005582 is a wasteful number, since it uses less digits than its factorization.

145005582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24167602.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 145005582 is about 12041.8263564959. The cubic root of 145005582 is about 525.3655286634.

The spelling of 145005582 in words is "one hundred forty-five million, five thousand, five hundred eighty-two".