148691888 has 10 divisors (see below), whose sum is σ = 288090564. Its totient is φ = 74345936.

The previous prime is 148691887. The next prime is 148691909. The reversal of 148691888 is 888196841.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (148691887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4646606 + ... + 4646637.

Almost surely, 2^148691888 is an apocalyptic number.

It is an amenable number.

148691888 is a deficient number, since it is larger than the sum of its proper divisors (139398676).

148691888 is an equidigital number, since it uses as much as digits as its factorization.

148691888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9293251 (or 9293245 counting only the distinct ones).

The product of its digits is 884736, while the sum is 53.

The square root of 148691888 is about 12193.9283251953. The cubic root of 148691888 is about 529.7802435326.

The spelling of 148691888 in words is "one hundred forty-eight million, six hundred ninety-one thousand, eight hundred eighty-eight".