145645982 has 16 divisors (see below), whose sum is σ = 239967360. Its totient is φ = 65990232.

The previous prime is 145645891. The next prime is 145645991. The reversal of 145645982 is 289546541.

145645982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82448 + ... + 84195.

It is an arithmetic number, because the mean of its divisors is an integer number (14997960).

Almost surely, 2^145645982 is an apocalyptic number.

145645982 is a deficient number, since it is larger than the sum of its proper divisors (94321378).

145645982 is a wasteful number, since it uses less digits than its factorization.

145645982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166687.

The product of its digits is 345600, while the sum is 44.

The square root of 145645982 is about 12068.3877133609. The cubic root of 145645982 is about 526.1377978019.

It can be divided in two parts, 1456459 and 82, that added together give a palindrome (1456541).

The spelling of 145645982 in words is "one hundred forty-five million, six hundred forty-five thousand, nine hundred eighty-two".