148342221 has 48 divisors (see below), whose sum is σ = 238680000. Its totient is φ = 88349184.

The previous prime is 148342211. The next prime is 148342231. The reversal of 148342221 is 122243841.

It is an interprime number because it is at equal distance from previous prime (148342211) and next prime (148342231).

It is not a de Polignac number, because 148342221 - 2⁵ = 148342189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148342211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 297030 + ... + 297528.

It is an arithmetic number, because the mean of its divisors is an integer number (4972500).

Almost surely, 2^148342221 is an apocalyptic number.

It is an amenable number.

148342221 is a deficient number, since it is larger than the sum of its proper divisors (90337779).

148342221 is a wasteful number, since it uses less digits than its factorization.

148342221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 615 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 148342221 is about 12179.5821356892. The cubic root of 148342221 is about 529.3646367569.

The spelling of 148342221 in words is "one hundred forty-eight million, three hundred forty-two thousand, two hundred twenty-one".