148240578538 has 16 divisors (see below), whose sum is σ = 240245580960. Its totient is φ = 68195862576.

The previous prime is 148240578533. The next prime is 148240578553. The reversal of 148240578538 is 835875042841.

It is not an unprimeable number, because it can be changed into a prime (148240578533) 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, 9277948 + ... + 9293911.

It is an arithmetic number, because the mean of its divisors is an integer number (15015348810).

Almost surely, 2^148240578538 is an apocalyptic number.

148240578538 is a deficient number, since it is larger than the sum of its proper divisors (92005002422).

148240578538 is a wasteful number, since it uses less digits than its factorization.

148240578538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18572181.

The product of its (nonzero) digits is 8601600, while the sum is 55.

The spelling of 148240578538 in words is "one hundred forty-eight billion, two hundred forty million, five hundred seventy-eight thousand, five hundred thirty-eight".