148856839585 has 16 divisors (see below), whose sum is σ = 185716984320. Its totient is φ = 114414894720.

The previous prime is 148856839583. The next prime is 148856839631. The reversal of 148856839585 is 585938658841.

It is not a de Polignac number, because 148856839585 - 2¹ = 148856839583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148856839583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3433012 + ... + 3476101.

It is an arithmetic number, because the mean of its divisors is an integer number (11607311520).

Almost surely, 2^148856839585 is an apocalyptic number.

It is an amenable number.

148856839585 is a deficient number, since it is larger than the sum of its proper divisors (36860144735).

148856839585 is a wasteful number, since it uses less digits than its factorization.

148856839585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6909288.

The product of its digits is 331776000, while the sum is 70.

The spelling of 148856839585 in words is "one hundred forty-eight billion, eight hundred fifty-six million, eight hundred thirty-nine thousand, five hundred eighty-five".