83442345 has 48 divisors (see below), whose sum is σ = 156904128. Its totient is φ = 37752960.

The previous prime is 83442313. The next prime is 83442353. The reversal of 83442345 is 54324438.

It is not a de Polignac number, because 83442345 - 2⁵ = 83442313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78115 + ... + 79175.

It is an arithmetic number, because the mean of its divisors is an integer number (3268836).

Almost surely, 2^83442345 is an apocalyptic number.

It is an amenable number.

83442345 is a deficient number, since it is larger than the sum of its proper divisors (73461783).

83442345 is a wasteful number, since it uses less digits than its factorization.

83442345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1183 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 83442345 is about 9134.6781552499. The cubic root of 83442345 is about 436.9806103035.

The spelling of 83442345 in words is "eighty-three million, four hundred forty-two thousand, three hundred forty-five".