148143785463685 has 48 divisors (see below), whose sum is σ = 203902835915520. Its totient is φ = 103054433081600.

The previous prime is 148143785463643. The next prime is 148143785463719. The reversal of 148143785463685 is 586364587341841.

It is not a de Polignac number, because 148143785463685 - 2²¹ = 148143783366533 is a prime.

It is a super-2 number, since 2×148143785463685² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 1023083640 + ... + 1023228430.

It is an arithmetic number, because the mean of its divisors is an integer number (4247975748240).

Almost surely, 2^{148143785463685} is an apocalyptic number.

It is an amenable number.

148143785463685 is a deficient number, since it is larger than the sum of its proper divisors (55759050451835).

148143785463685 is a wasteful number, since it uses less digits than its factorization.

148143785463685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218370 (or 218359 counting only the distinct ones).

The product of its digits is 1857945600, while the sum is 73.

The spelling of 148143785463685 in words is "one hundred forty-eight trillion, one hundred forty-three billion, seven hundred eighty-five million, four hundred sixty-three thousand, six hundred eighty-five".