148449775 has 24 divisors (see below), whose sum is σ = 187889760. Its totient is φ = 116328960.

The previous prime is 148449757. The next prime is 148449787. The reversal of 148449775 is 577944841.

It is not a de Polignac number, because 148449775 - 2⁷ = 148449647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304582 + ... + 305068.

It is an arithmetic number, because the mean of its divisors is an integer number (7828740).

Almost surely, 2^148449775 is an apocalyptic number.

148449775 is a deficient number, since it is larger than the sum of its proper divisors (39439985).

148449775 is a wasteful number, since it uses less digits than its factorization.

148449775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 718 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 148449775 is about 12183.9966759680. The cubic root of 148449775 is about 529.4925426428.

The spelling of 148449775 in words is "one hundred forty-eight million, four hundred forty-nine thousand, seven hundred seventy-five".