148966638 has 16 divisors (see below), whose sum is σ = 298229376. Its totient is φ = 49606200.

The previous prime is 148966627. The next prime is 148966673. The reversal of 148966638 is 836669841.

148966638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 5506 + ... + 18117.

It is an arithmetic number, because the mean of its divisors is an integer number (18639336).

Almost surely, 2^148966638 is an apocalyptic number.

148966638 is an abundant number, since it is smaller than the sum of its proper divisors (149262738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148966638 is a wasteful number, since it uses less digits than its factorization.

148966638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24679.

The product of its digits is 1492992, while the sum is 51.

The square root of 148966638 is about 12205.1889784632. The cubic root of 148966638 is about 530.1063486601.

The spelling of 148966638 in words is "one hundred forty-eight million, nine hundred sixty-six thousand, six hundred thirty-eight".