148212278 has 8 divisors (see below), whose sum is σ = 222772680. Its totient is φ = 73954720.

The previous prime is 148212277. The next prime is 148212283. The reversal of 148212278 is 872212841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148212277) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 74483 + ... + 76446.

It is an arithmetic number, because the mean of its divisors is an integer number (27846585).

Almost surely, 2^148212278 is an apocalyptic number.

148212278 is a deficient number, since it is larger than the sum of its proper divisors (74560402).

148212278 is a wasteful number, since it uses less digits than its factorization.

148212278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151422.

The product of its digits is 14336, while the sum is 35.

The square root of 148212278 is about 12174.2465064578. The cubic root of 148212278 is about 529.2100228211.

The spelling of 148212278 in words is "one hundred forty-eight million, two hundred twelve thousand, two hundred seventy-eight".