148221008 has 20 divisors (see below), whose sum is σ = 309269268. Its totient is φ = 68409600.

The previous prime is 148220987. The next prime is 148221023. The reversal of 148221008 is 800122841.

It can be written as a sum of positive squares in 2 ways, for example, as 81504784 + 66716224 = 9028^2 + 8168^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356093 + ... + 356508.

Almost surely, 2^148221008 is an apocalyptic number.

It is an amenable number.

148221008 is an abundant number, since it is smaller than the sum of its proper divisors (161048260).

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

148221008 is a wasteful number, since it uses less digits than its factorization.

148221008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712622 (or 712616 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 148221008 is about 12174.6050449286. The cubic root of 148221008 is about 529.2204131271.

Adding to 148221008 its reverse (800122841), we get a palindrome (948343849).

The spelling of 148221008 in words is "one hundred forty-eight million, two hundred twenty-one thousand, eight".