148442101 has 2 divisors, whose sum is σ = 148442102. Its totient is φ = 148442100.

The previous prime is 148442093. The next prime is 148442141. The reversal of 148442101 is 101244841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123432100 + 25010001 = 11110^2 + 5001^2 .

It is a cyclic number.

It is not a de Polignac number, because 148442101 - 2³ = 148442093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148442141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74221050 + 74221051.

It is an arithmetic number, because the mean of its divisors is an integer number (74221051).

Almost surely, 2^148442101 is an apocalyptic number.

It is an amenable number.

148442101 is a deficient number, since it is larger than the sum of its proper divisors (1).

148442101 is an equidigital number, since it uses as much as digits as its factorization.

148442101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 148442101 is about 12183.6817506040. The cubic root of 148442101 is about 529.4834185787.

Adding to 148442101 its reverse (101244841), we get a palindrome (249686942).

The spelling of 148442101 in words is "one hundred forty-eight million, four hundred forty-two thousand, one hundred one".