148539236 has 12 divisors (see below), whose sum is σ = 261842028. Its totient is φ = 73727232.

The previous prime is 148539233. The next prime is 148539241. The reversal of 148539236 is 632935841.

It can be written as a sum of positive squares in 2 ways, for example, as 79316836 + 69222400 = 8906^2 + 8320^2 .

It is a junction number, because it is equal to n+sod(n) for n = 148539193 and 148539202.

It is not an unprimeable number, because it can be changed into a prime (148539233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134981 + ... + 136076.

It is an arithmetic number, because the mean of its divisors is an integer number (21820169).

Almost surely, 2^148539236 is an apocalyptic number.

It is an amenable number.

148539236 is a deficient number, since it is larger than the sum of its proper divisors (113302792).

148539236 is a wasteful number, since it uses less digits than its factorization.

148539236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271198 (or 271196 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 148539236 is about 12187.6673732097. The cubic root of 148539236 is about 529.5988848274.

The spelling of 148539236 in words is "one hundred forty-eight million, five hundred thirty-nine thousand, two hundred thirty-six".