148621212 has 18 divisors (see below), whose sum is σ = 375681488. Its totient is φ = 49540392.

The previous prime is 148621171. The next prime is 148621243. The reversal of 148621212 is 212126841.

148621212 is a `hidden beast` number, since 14 + 8 + 621 + 21 + 2 = 666.

148621212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2064148 + ... + 2064219.

Almost surely, 2^148621212 is an apocalyptic number.

148621212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

148621212 is an abundant number, since it is smaller than the sum of its proper divisors (227060276).

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

148621212 is a wasteful number, since it uses less digits than its factorization.

148621212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128377 (or 4128372 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 148621212 is about 12191.0299810968. The cubic root of 148621212 is about 529.6962921192.

The spelling of 148621212 in words is "one hundred forty-eight million, six hundred twenty-one thousand, two hundred twelve".