65445982 has 32 divisors (see below), whose sum is σ = 116651520. Its totient is φ = 26943840.

The previous prime is 65445979. The next prime is 65445983. The reversal of 65445982 is 28954456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65445983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134143 + ... + 134629.

It is an arithmetic number, because the mean of its divisors is an integer number (3645360).

Almost surely, 2^65445982 is an apocalyptic number.

65445982 is a deficient number, since it is larger than the sum of its proper divisors (51205538).

65445982 is a wasteful number, since it uses less digits than its factorization.

65445982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its digits is 345600, while the sum is 43.

The square root of 65445982 is about 8089.8690965924. The cubic root of 65445982 is about 402.9900557244.

The spelling of 65445982 in words is "sixty-five million, four hundred forty-five thousand, nine hundred eighty-two".