148742101 has 2 divisors, whose sum is σ = 148742102. Its totient is φ = 148742100.

The previous prime is 148742071. The next prime is 148742107. The reversal of 148742101 is 101247841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112381201 + 36360900 = 10601^2 + 6030^2 .

It is a cyclic number.

It is not a de Polignac number, because 148742101 - 2¹³ = 148733909 is a prime.

It is a super-3 number, since 3×148742101³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148742101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148742107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74371050 + 74371051.

It is an arithmetic number, because the mean of its divisors is an integer number (74371051).

Almost surely, 2^148742101 is an apocalyptic number.

It is an amenable number.

148742101 is a deficient number, since it is larger than the sum of its proper divisors (1).

148742101 is an equidigital number, since it uses as much as digits as its factorization.

148742101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 148742101 is about 12195.9870859230. The cubic root of 148742101 is about 529.8398721194.

Adding to 148742101 its reverse (101247841), we get a palindrome (249989942).

The spelling of 148742101 in words is "one hundred forty-eight million, seven hundred forty-two thousand, one hundred one".