82335945 has 16 divisors (see below), whose sum is σ = 131896512. Its totient is φ = 43859520.

The previous prime is 82335941. The next prime is 82335971. The reversal of 82335945 is 54953328.

It is not a de Polignac number, because 82335945 - 2² = 82335941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82335941) 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, 11739 + ... + 17391.

It is an arithmetic number, because the mean of its divisors is an integer number (8243532).

Almost surely, 2^82335945 is an apocalyptic number.

It is an amenable number.

82335945 is a deficient number, since it is larger than the sum of its proper divisors (49560567).

82335945 is a wasteful number, since it uses less digits than its factorization.

82335945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632.

The product of its digits is 129600, while the sum is 39.

The square root of 82335945 is about 9073.9156376947. The cubic root of 82335945 is about 435.0406356543.

It can be divided in two parts, 82335 and 945, that multiplied together give a triangular number (77806575 = T₁₂₄₇₄).

The spelling of 82335945 in words is "eighty-two million, three hundred thirty-five thousand, nine hundred forty-five".