148243517678 has 16 divisors (see below), whose sum is σ = 225198066240. Its totient is φ = 73179972096.

The previous prime is 148243517677. The next prime is 148243517689. The reversal of 148243517678 is 876715342841.

It is a super-2 number, since 2×148243517678² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148243517671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498950 + ... + 738537.

It is an arithmetic number, because the mean of its divisors is an integer number (14074879140).

Almost surely, 2^148243517678 is an apocalyptic number.

148243517678 is a deficient number, since it is larger than the sum of its proper divisors (76954548562).

148243517678 is a wasteful number, since it uses less digits than its factorization.

148243517678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238251.

The product of its digits is 9031680, while the sum is 56.

The spelling of 148243517678 in words is "one hundred forty-eight billion, two hundred forty-three million, five hundred seventeen thousand, six hundred seventy-eight".