148439775 has 48 divisors (see below), whose sum is σ = 270125568. Its totient is φ = 71922400.

The previous prime is 148439737. The next prime is 148439783. The reversal of 148439775 is 577934841.

It is a happy number.

148439775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148439775 - 2²³ = 140051167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99082 + ... + 100568.

It is an arithmetic number, because the mean of its divisors is an integer number (5627616).

Almost surely, 2^148439775 is an apocalyptic number.

148439775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

148439775 is a deficient number, since it is larger than the sum of its proper divisors (121685793).

148439775 is a wasteful number, since it uses less digits than its factorization.

148439775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533 (or 1506 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 148439775 is about 12183.5862946835. The cubic root of 148439775 is about 529.4806530001.

The spelling of 148439775 in words is "one hundred forty-eight million, four hundred thirty-nine thousand, seven hundred seventy-five".