148439975 has 6 divisors (see below), whose sum is σ = 184065600. Its totient is φ = 118751960.

The previous prime is 148439947. The next prime is 148439981. The reversal of 148439975 is 579934841.

It is not a de Polignac number, because 148439975 - 2¹² = 148435879 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2968775 + ... + 2968824.

It is an arithmetic number, because the mean of its divisors is an integer number (30677600).

Almost surely, 2^148439975 is an apocalyptic number.

148439975 is a deficient number, since it is larger than the sum of its proper divisors (35625625).

148439975 is an equidigital number, since it uses as much as digits as its factorization.

148439975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937609 (or 5937604 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 148439975 is about 12183.5945024447. The cubic root of 148439975 is about 529.4808907982.

The spelling of 148439975 in words is "one hundred forty-eight million, four hundred thirty-nine thousand, nine hundred seventy-five".