148809339 has 32 divisors (see below), whose sum is σ = 252541440. Its totient is φ = 84835296.

The previous prime is 148809299. The next prime is 148809343. The reversal of 148809339 is 933908841.

It is not a de Polignac number, because 148809339 - 2²¹ = 146712187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148809294 and 148809303.

It is not an unprimeable number, because it can be changed into a prime (148809359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127372 + ... + 128534.

It is an arithmetic number, because the mean of its divisors is an integer number (7891920).

Almost surely, 2^148809339 is an apocalyptic number.

148809339 is a deficient number, since it is larger than the sum of its proper divisors (103732101).

148809339 is a wasteful number, since it uses less digits than its factorization.

148809339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 148809339 is about 12198.7433369179. The cubic root of 148809339 is about 529.9196971014.

The spelling of 148809339 in words is "one hundred forty-eight million, eight hundred nine thousand, three hundred thirty-nine".