148865923485 has 48 divisors (see below), whose sum is σ = 263061087744. Its totient is φ = 77859086976.

The previous prime is 148865923447. The next prime is 148865923487. The reversal of 148865923485 is 584329568841.

148865923485 is a `hidden beast` number, since 1 + 4 + 8 + 8 + 6 + 592 + 34 + 8 + 5 = 666.

148865923485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148865923485 - 2¹³ = 148865915293 is a prime.

It is a super-2 number, since 2×148865923485² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148865923487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 561639 + ... + 783051.

It is an arithmetic number, because the mean of its divisors is an integer number (5480439328).

Almost surely, 2^148865923485 is an apocalyptic number.

148865923485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148865923485 is a deficient number, since it is larger than the sum of its proper divisors (114195164259).

148865923485 is a wasteful number, since it uses less digits than its factorization.

148865923485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221714 (or 221711 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 63.

The spelling of 148865923485 in words is "one hundred forty-eight billion, eight hundred sixty-five million, nine hundred twenty-three thousand, four hundred eighty-five".