148638655 has 16 divisors (see below), whose sum is σ = 195237504. Its totient is φ = 107736480.

The previous prime is 148638649. The next prime is 148638697. The reversal of 148638655 is 556836841.

It is not a de Polignac number, because 148638655 - 2⁷ = 148638527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12484 + ... + 21286.

It is an arithmetic number, because the mean of its divisors is an integer number (12202344).

Almost surely, 2^148638655 is an apocalyptic number.

148638655 is a deficient number, since it is larger than the sum of its proper divisors (46598849).

148638655 is a wasteful number, since it uses less digits than its factorization.

148638655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126.

The product of its digits is 691200, while the sum is 46.

The square root of 148638655 is about 12191.7453631545. The cubic root of 148638655 is about 529.7170139952.

The spelling of 148638655 in words is "one hundred forty-eight million, six hundred thirty-eight thousand, six hundred fifty-five".