83145538042 has 16 divisors (see below), whose sum is σ = 142784845632. Its totient is φ = 35571392640.

The previous prime is 83145538019. The next prime is 83145538057. The reversal of 83145538042 is 24083554138.

It is a self number, because there is not a number n which added to its sum of digits gives 83145538042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5192503 + ... + 5208490.

It is an arithmetic number, because the mean of its divisors is an integer number (8924052852).

Almost surely, 2^83145538042 is an apocalyptic number.

83145538042 is a deficient number, since it is larger than the sum of its proper divisors (59639307590).

83145538042 is a wasteful number, since it uses less digits than its factorization.

83145538042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401573.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 83145538042 in words is "eighty-three billion, one hundred forty-five million, five hundred thirty-eight thousand, forty-two".