148211142 has 16 divisors (see below), whose sum is σ = 296647680. Its totient is φ = 49366152.

The previous prime is 148211111. The next prime is 148211143. The reversal of 148211142 is 241112841.

It is a super-2 number, since 2×148211142² = 43933085225888328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148211143) 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 7 ways as a sum of consecutive naturals, for example, 142 + ... + 17217.

It is an arithmetic number, because the mean of its divisors is an integer number (18540480).

Almost surely, 2^148211142 is an apocalyptic number.

148211142 is an abundant number, since it is smaller than the sum of its proper divisors (148436538).

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

148211142 is a wasteful number, since it uses less digits than its factorization.

148211142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18787.

The product of its digits is 512, while the sum is 24.

The square root of 148211142 is about 12174.1998505035. The cubic root of 148211142 is about 529.2086707421.

Adding to 148211142 its reverse (241112841), we get a palindrome (389323983).

The spelling of 148211142 in words is "one hundred forty-eight million, two hundred eleven thousand, one hundred forty-two".